NZ537664A - Method and device for monitoring blood pressure - Google Patents

Method and device for monitoring blood pressure

Info

Publication number
NZ537664A
NZ537664A NZ537664A NZ53766403A NZ537664A NZ 537664 A NZ537664 A NZ 537664A NZ 537664 A NZ537664 A NZ 537664A NZ 53766403 A NZ53766403 A NZ 53766403A NZ 537664 A NZ537664 A NZ 537664A
Authority
NZ
New Zealand
Prior art keywords
pressure
blood pressure
arterial
diastolic
mean
Prior art date
Application number
NZ537664A
Other languages
English (en)
Inventor
Choon Meng Ting
Ngak Hwee Chua
Original Assignee
Healthstats Int Pte Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Healthstats Int Pte Ltd filed Critical Healthstats Int Pte Ltd
Publication of NZ537664A publication Critical patent/NZ537664A/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/021Measuring pressure in heart or blood vessels
    • A61B5/022Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/021Measuring pressure in heart or blood vessels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/021Measuring pressure in heart or blood vessels
    • A61B5/02108Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
    • A61B5/02116Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics of pulse wave amplitude
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802Sensor mounted on worn items
    • A61B5/681Wristwatch-type devices

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Vascular Medicine (AREA)
  • Physiology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • External Artificial Organs (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
NZ537664A 2002-07-09 2003-07-09 Method and device for monitoring blood pressure NZ537664A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/191,887 US6918879B2 (en) 2000-10-09 2002-07-09 Method and device for monitoring blood pressure
PCT/SG2003/000159 WO2004004558A1 (en) 2002-07-09 2003-07-09 Method and device for monitoring blood pressure

Publications (1)

Publication Number Publication Date
NZ537664A true NZ537664A (en) 2006-10-27

Family

ID=30114241

Family Applications (2)

Application Number Title Priority Date Filing Date
NZ537664A NZ537664A (en) 2002-07-09 2003-07-09 Method and device for monitoring blood pressure
NZ549181A NZ549181A (en) 2002-07-09 2003-07-09 Method & device for monitoring blood pressure

Family Applications After (1)

Application Number Title Priority Date Filing Date
NZ549181A NZ549181A (en) 2002-07-09 2003-07-09 Method & device for monitoring blood pressure

Country Status (13)

Country Link
US (1) US6918879B2 (enExample)
EP (1) EP1526805B1 (enExample)
JP (1) JP4209841B2 (enExample)
KR (1) KR100809953B1 (enExample)
CN (1) CN100396233C (enExample)
AT (1) ATE511788T1 (enExample)
AU (2) AU2003256220B2 (enExample)
DK (1) DK1526805T3 (enExample)
ES (1) ES2364648T3 (enExample)
IL (1) IL166200A (enExample)
NZ (2) NZ537664A (enExample)
PT (1) PT1526805E (enExample)
WO (1) WO2004004558A1 (enExample)

Families Citing this family (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6822564B2 (en) * 2002-01-24 2004-11-23 Masimo Corporation Parallel measurement alarm processor
US7355512B1 (en) 2002-01-24 2008-04-08 Masimo Corporation Parallel alarm processor
US7317409B2 (en) * 2002-01-30 2008-01-08 Tensys Medical, Inc. Apparatus and method for interfacing time-variant signals
JP3972141B2 (ja) * 2002-05-09 2007-09-05 オムロンヘルスケア株式会社 脈波計
JP4306382B2 (ja) * 2003-01-23 2009-07-29 オムロンヘルスケア株式会社 脈波測定装置
US7341561B2 (en) * 2003-05-30 2008-03-11 Casio Computer Co., Ltd. Wrist-worn high-accuracy pulsation measuring apparatus
US7502498B2 (en) 2004-09-10 2009-03-10 Available For Licensing Patient monitoring apparatus
US9820658B2 (en) 2006-06-30 2017-11-21 Bao Q. Tran Systems and methods for providing interoperability among healthcare devices
JP4590998B2 (ja) * 2004-09-15 2010-12-01 オムロンヘルスケア株式会社 血圧計
US7946994B2 (en) 2004-10-07 2011-05-24 Tensys Medical, Inc. Compact apparatus and methods for non-invasively measuring hemodynamic parameters
US20060111636A1 (en) * 2004-11-23 2006-05-25 Jacober Jeffrey M Wrist-mount blood pressure monitor
US20060111637A1 (en) * 2004-11-23 2006-05-25 Jacober Jeffrey M Wrist-mount blood pressure monitor with auditory feature
US7658716B2 (en) * 2004-12-07 2010-02-09 Triage Wireless, Inc. Vital signs monitor using an optical ear-based module
US7420472B2 (en) * 2005-10-16 2008-09-02 Bao Tran Patient monitoring apparatus
US7733224B2 (en) 2006-06-30 2010-06-08 Bao Tran Mesh network personal emergency response appliance
US20080235058A1 (en) * 2005-12-01 2008-09-25 The General Electric Company Vital sign monitor utilizing historic patient data
US20070129636A1 (en) * 2005-12-01 2007-06-07 Friedman Bruce A Vital sign monitor utilizing historic patient data
EP1810612A1 (en) * 2006-01-20 2007-07-25 Microlife Intellectual Property GmbH A system and method for hypertension management
US7344503B2 (en) * 2006-04-03 2008-03-18 The General Electric Company System and method for monitoring pre-eclamptic patients
US8968195B2 (en) 2006-05-12 2015-03-03 Bao Tran Health monitoring appliance
US7558622B2 (en) 2006-05-24 2009-07-07 Bao Tran Mesh network stroke monitoring appliance
US7539532B2 (en) 2006-05-12 2009-05-26 Bao Tran Cuffless blood pressure monitoring appliance
US8684922B2 (en) 2006-05-12 2014-04-01 Bao Tran Health monitoring system
US9060683B2 (en) 2006-05-12 2015-06-23 Bao Tran Mobile wireless appliance
US8500636B2 (en) 2006-05-12 2013-08-06 Bao Tran Health monitoring appliance
US8323189B2 (en) 2006-05-12 2012-12-04 Bao Tran Health monitoring appliance
WO2007133759A2 (en) 2006-05-13 2007-11-22 Tensys Medical, Inc. Continuous positioning apparatus and methods
US7539533B2 (en) * 2006-05-16 2009-05-26 Bao Tran Mesh network monitoring appliance
US8684900B2 (en) 2006-05-16 2014-04-01 Bao Tran Health monitoring appliance
EP2023805B1 (en) * 2006-05-24 2012-07-04 Tarilian Laser Technologies, Limited Optical vital sign detection method and measurement device
US20080071180A1 (en) * 2006-05-24 2008-03-20 Tarilian Laser Technologies, Limited Vital Sign Detection Method and Measurement Device
JP5528801B2 (ja) * 2006-06-07 2014-06-25 ガンブロ・ルンディア・エービー 急激な症候性血圧低下の予測
CN100512750C (zh) * 2006-06-16 2009-07-15 香港中文大学 对无袖带式动脉血压测量装置进行校准的方法
US20080077021A1 (en) * 2006-09-27 2008-03-27 Fka Distributing Co. D/B/A Homedics, Inc. Blood Pressure Monitor Calibration Device And Method For Calibrating A Blood Pressure Monitor
MY159916A (en) * 2007-01-31 2017-02-15 Tarilian Laser Tech Ltd Optical power modulation
US8750971B2 (en) 2007-05-24 2014-06-10 Bao Tran Wireless stroke monitoring
US8027724B2 (en) * 2007-08-03 2011-09-27 Cardiac Pacemakers, Inc. Hypertension diagnosis and therapy using pressure sensor
WO2009048602A1 (en) 2007-10-12 2009-04-16 Tensys Medical, Inc. Apparatus and methods for non-invasively measuring a patient's arterial blood pressure
US8465424B2 (en) * 2008-03-24 2013-06-18 Sudhir Aggarwal Mobile device and system for monitoring and recording body vital signs
US8398556B2 (en) * 2008-06-30 2013-03-19 Covidien Lp Systems and methods for non-invasive continuous blood pressure determination
US8577431B2 (en) 2008-07-03 2013-11-05 Cercacor Laboratories, Inc. Noise shielding for a noninvasive device
US8203704B2 (en) 2008-08-04 2012-06-19 Cercacor Laboratories, Inc. Multi-stream sensor for noninvasive measurement of blood constituents
CH699319A2 (de) * 2008-08-15 2010-02-15 Stbl Medical Res Gmbh Verfahren und Gerät zum kontinuierlichen Messen des Blutdruckes zu Überwachungszwecken.
US8328728B2 (en) * 2008-08-22 2012-12-11 Pacesetter, Inc. Implantable hemodynamic monitor and methods for use therewith
US20110213254A1 (en) * 2008-11-04 2011-09-01 Healthstats International Pte Ltd Method of determining blood pressure and an apparatus for determining blood pressure
CN101773387B (zh) * 2009-01-08 2011-12-14 香港中文大学 基于躯感网的无袖带动脉血压测量及自动校准装置
EP2397185B1 (en) * 2010-06-18 2015-08-12 St. Jude Medical AB Blood pressure measurement with implantable medical device
US20130144176A1 (en) * 2010-06-25 2013-06-06 Drexel University Non-invasive blood pressure sensor
TWI452996B (zh) * 2010-10-27 2014-09-21 私立中原大學 No balloon blood pressure measurement device
SG182872A1 (en) * 2011-01-21 2012-08-30 Healthstats Int Pte Ltd Apparatus and method for altering the arterial pulse waveform of a body
US8747328B2 (en) 2011-04-29 2014-06-10 Raytheon Bbn Technologies Corp. Continuous blood pressure monitoring
GB201111138D0 (en) 2011-06-30 2011-08-17 Leman Micro Devices Uk Ltd Personal health data collection
CN102872532A (zh) * 2011-07-12 2013-01-16 陈崇扬 可携式脉波调节装置
US9204809B2 (en) 2012-02-01 2015-12-08 Hong Kong Applied Science and Technology Research Institute Company Limited Blood pressure measuring device and method of calibrating thereof
US9865176B2 (en) 2012-12-07 2018-01-09 Koninklijke Philips N.V. Health monitoring system
CN103169463A (zh) * 2013-03-22 2013-06-26 黑龙江彩格工业设计有限公司 侦测人体血压的装置及方法
CN103393411B (zh) * 2013-08-12 2015-03-25 苏波 手腕式监护器
CN103431848B (zh) * 2013-09-22 2015-10-21 天津普仁万合信息技术有限公司 一种便携式无源传感器
CN103598879A (zh) * 2013-11-29 2014-02-26 哈尔滨理工大学科技园发展有限公司 可穿戴式生命体征监视器
US10506931B1 (en) * 2014-02-28 2019-12-17 Empirical Technologies Corporation Non invasive monitoring of arterial stiffness
CN104000568A (zh) * 2014-06-20 2014-08-27 瞿年清 血压血粘稠度及心肌力度一并检测的脉象仪
CN104127176A (zh) * 2014-06-26 2014-11-05 北京信息科技大学 一种无充气泵结构的便携式血压脉搏测量仪
US10702171B2 (en) 2014-09-08 2020-07-07 Apple Inc. Systems, devices, and methods for measuring blood pressure of a user
WO2016040253A1 (en) 2014-09-08 2016-03-17 Braintree Analytics Llc Blood pressure monitoring using a multi-function wrist-worn device
CN107072538B (zh) 2014-09-08 2021-07-13 苹果公司 将脉搏传导时间(ptt)测量系统电耦接到心脏以用于血压测量
US10517489B2 (en) 2014-09-08 2019-12-31 Apple Inc. Wrist worn accelerometer for pulse transit time (PTT) measurements of blood pressure
US10575814B2 (en) 2014-10-16 2020-03-03 Viewcare Technologies 1 Aps Method of detecting dicrotic notch
JP6287894B2 (ja) * 2015-02-27 2018-03-07 オムロンヘルスケア株式会社 血圧測定用カフおよび血圧計
US20160287102A1 (en) * 2015-04-02 2016-10-06 Microsoft Technology Licensing, Llc Transducing pressure to a non-invasive pulse sensor
JP6596218B2 (ja) * 2015-04-03 2019-10-23 シャープ株式会社 機器制御装置、ウェアラブル機器、機器制御装置の制御方法およびプログラム
CN105395183B (zh) * 2015-12-31 2017-11-07 虞春宜 一种定时监测血压的方法及测定血压的装置
US11589758B2 (en) * 2016-01-25 2023-02-28 Fitbit, Inc. Calibration of pulse-transit-time to blood pressure model using multiple physiological sensors and various methods for blood pressure variation
GB201603216D0 (en) * 2016-02-24 2016-04-06 King S College London Measurement of cardiac first phase ejection fraction
ITUA20162283A1 (it) 2016-04-04 2017-10-04 Wireless Integrated Network S R L Tonometro indossabile perfezionato
CN108882872B (zh) 2016-04-15 2021-07-20 欧姆龙株式会社 生物体信息分析装置、生物体信息分析系统、程序以及生物体信息分析方法
US11653843B2 (en) * 2016-06-28 2023-05-23 Kyocera Corporation Electronic device and estimation system
US20190216336A1 (en) * 2016-08-18 2019-07-18 Koninklijke Philips N.V. Blood-pressure management
KR102655738B1 (ko) * 2016-12-27 2024-04-05 삼성전자주식회사 접촉형 혈압 측정 장치
JP6202510B1 (ja) * 2017-01-31 2017-09-27 株式会社Arblet 血圧情報測定システム、血圧情報測定方法、血圧情報測定プログラム、血圧情報測定装置、サーバ装置、演算方法及び演算プログラム
WO2018168793A1 (ja) * 2017-03-15 2018-09-20 オムロン株式会社 生体情報測定装置、方法及びプログラム
JP6873896B2 (ja) * 2017-12-28 2021-05-19 オムロンヘルスケア株式会社 血圧測定装置及びコネクタ
JP7091832B2 (ja) * 2018-05-24 2022-06-28 オムロンヘルスケア株式会社 センサモジュール、センサモジュールの製造方法、及び血圧測定装置
CN113507884A (zh) * 2018-12-05 2021-10-15 霍格·雷德特尔 连续血压测量的校准方法
KR102716355B1 (ko) 2019-01-15 2024-10-10 삼성전자주식회사 생체정보 추정 장치 및 방법
US11107236B2 (en) 2019-04-22 2021-08-31 Dag Michael Peter Hansson Projected augmented reality interface with pose tracking for directing manual processes
US12165052B2 (en) 2019-10-18 2024-12-10 Apple Inc. Interpretable neural networks for cuffless blood pressure estimation
US11478606B1 (en) 2020-01-08 2022-10-25 New Heights Energy, LLC Wearable devices and methods for providing therapy to a user and/or for measuring physiological parameters of the user
EP4480396A3 (en) 2020-01-13 2025-03-26 Masimo Corporation Wearable device with physiological parameters monitoring
KR20220087658A (ko) 2020-12-17 2022-06-27 삼성전자주식회사 운동 가이드를 제공하는 전자 장치 및 그 동작 방법
JP2022136818A (ja) * 2021-03-08 2022-09-21 株式会社東芝 血圧処理装置、血圧測定装置、及び血圧測定方法
JP2024527614A (ja) 2021-07-13 2024-07-25 マシモ・コーポレイション 生理学的パラメーターモニタリングを備えたウェアラブルデバイス
WO2023172676A2 (en) 2022-03-10 2023-09-14 New Heights Energy, LLC Wearable devices, systems, and methods for providing therapy to a user and/or for measuring physiological parameters of the user

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4331154A (en) * 1979-10-15 1982-05-25 Tech Engineering & Design Blood pressure and heart rate measuring watch
US4307727A (en) 1979-10-15 1981-12-29 Tech Engineering And Design, Inc. Wrist band transducer support and tensioning apparatus
IL86010A (en) 1987-07-03 1993-02-21 Hi Bridge Kk Apparatus for measuring blood pressure
US5243992A (en) * 1990-03-30 1993-09-14 Colin Electronics Co., Ltd. Pulse rate sensor system
ATE132720T1 (de) * 1990-07-18 1996-01-15 Avl Medical Instr Ag Einrichtung und verfahren zur blutdruckmessung
US5183051A (en) * 1991-01-14 1993-02-02 Jonathan Kraidin Means and apparatus for continuously determining cardiac output in a subject
US5485848A (en) 1991-01-31 1996-01-23 Jackson; Sandra R. Portable blood pressure measuring device and method of measuring blood pressure
CN2103827U (zh) * 1991-08-17 1992-05-06 郑刚 血压监测手表
US5238001A (en) 1991-11-12 1993-08-24 Stuart Medical Inc. Ambulatory patient monitoring system having multiple monitoring units and optical communications therebetween
JPH05329117A (ja) 1992-05-28 1993-12-14 Sanyo Electric Co Ltd バンド型情報検知具
US5261412A (en) 1992-11-20 1993-11-16 Ivac Corporation Method of continuously monitoring blood pressure
WO1994013207A1 (de) * 1992-12-05 1994-06-23 Avl Medical Instruments Ag Sensor, einrichtung und verfahren zum messen des blutdruckes
US5406952A (en) * 1993-02-11 1995-04-18 Biosyss Corporation Blood pressure monitoring system
US5509423A (en) * 1993-12-28 1996-04-23 Advanced Bodymetrics Corporation Pump band
US5533511A (en) * 1994-01-05 1996-07-09 Vital Insite, Incorporated Apparatus and method for noninvasive blood pressure measurement
US5908027A (en) 1994-08-22 1999-06-01 Alaris Medical Systems, Inc. Tonometry system for monitoring blood pressure
US5535753A (en) * 1994-10-04 1996-07-16 Rutgers University Apparatus and methods for the noninvasive measurement of cardiovascular system parameters
US5772601A (en) * 1996-08-26 1998-06-30 Colin Corporation Apparatus for evaluating cardiac function of living subject
JP3843462B2 (ja) * 1997-11-20 2006-11-08 セイコーエプソン株式会社 脈波診断装置
GB2341233B (en) * 1998-02-16 2003-08-13 Seiko Epson Corp Biometric measuring device
US6017313A (en) * 1998-03-20 2000-01-25 Hypertension Diagnostics, Inc. Apparatus and method for blood pressure pulse waveform contour analysis
JP3243228B2 (ja) * 1998-05-28 2002-01-07 マイクロライフ システムズ エージー 身体に挿入しない動脈血圧の測定装置
DE60032837T2 (de) 1999-02-22 2007-06-28 Seiko Epson Corp. Blutdruckmessungsvorrichtung und vorrichtung zum nachweis von pulswellen
CN100398058C (zh) * 2000-04-21 2008-07-02 陆渭明 无创伤测量血压的装置
JP3722203B2 (ja) * 2000-06-14 2005-11-30 株式会社デンソー 脈波センサ

Also Published As

Publication number Publication date
AU2007221954A1 (en) 2007-11-01
DK1526805T3 (da) 2011-09-05
IL166200A0 (en) 2006-01-15
WO2004004558A1 (en) 2004-01-15
KR100809953B1 (ko) 2008-03-06
WO2004004558A8 (en) 2005-03-03
US6918879B2 (en) 2005-07-19
CN1678236A (zh) 2005-10-05
US20030004421A1 (en) 2003-01-02
PT1526805E (pt) 2011-07-14
ATE511788T1 (de) 2011-06-15
AU2003256220A1 (en) 2004-01-23
AU2003256220B2 (en) 2007-10-25
HK1077185A1 (en) 2006-02-10
CN100396233C (zh) 2008-06-25
JP2005532111A (ja) 2005-10-27
KR20050044891A (ko) 2005-05-13
IL166200A (en) 2010-11-30
NZ549181A (en) 2006-10-27
JP4209841B2 (ja) 2009-01-14
AU2007221954B2 (en) 2010-07-01
EP1526805A1 (en) 2005-05-04
EP1526805B1 (en) 2011-06-08
ES2364648T3 (es) 2011-09-08

Similar Documents

Publication Publication Date Title
AU2003256220B2 (en) Method and device for monitoring blood pressure
JP4441132B2 (ja) 血圧モニタリング方法および装置
US11534071B2 (en) Blood pressure measurement
AU2001259012A1 (en) Method and device for monitoring blood pressure
JP3656088B2 (ja) 消費カロリー測定装置
US5485848A (en) Portable blood pressure measuring device and method of measuring blood pressure
JP2019523678A (ja) 血液透析を受けている患者を監視するための生理学的監視装置
JPWO1997047239A1 (ja) 消費カロリー測定装置および体温測定装置
Imai et al. Determination of clinical accuracy and nocturnal blood pressure pattern by new portable device for monitoring indirect ambulatory blood pressure
CN113520358A (zh) 一种血压检测方法及可穿戴设备
JP2004223271A (ja) 体温測定装置
JP2618236B2 (ja) 血圧測定装置
US11219378B2 (en) Method and device for continuous blood pressure monitoring and estimation
WO1990002512A1 (en) Improved apparatus for measuring continuous boold pressure
HK1077185B (en) Method and device for monitoring blood pressure
TWI228408B (en) Method and device for monitoring blood pressure
HK1056304B (en) Device for monitoring blood pressure

Legal Events

Date Code Title Description
PSEA Patent sealed
RENW Renewal (renewal fees accepted)
RENW Renewal (renewal fees accepted)
LAPS Patent lapsed