HK1111307A2 - A visible doorbell system - Google Patents

A visible doorbell system

Info

Publication number
HK1111307A2
HK1111307A2 HK08104022A HK08104022A HK1111307A2 HK 1111307 A2 HK1111307 A2 HK 1111307A2 HK 08104022 A HK08104022 A HK 08104022A HK 08104022 A HK08104022 A HK 08104022A HK 1111307 A2 HK1111307 A2 HK 1111307A2
Authority
HK
Hong Kong
Prior art keywords
doorbell system
visible doorbell
visible
doorbell
Prior art date
Application number
HK08104022A
Inventor
Ng Tze David Gunawan
Original Assignee
Ng Tze David Gunawan
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 Ng Tze David Gunawan filed Critical Ng Tze David Gunawan
Priority to HK08104022A priority Critical patent/HK1111307A2/en
Publication of HK1111307A2 publication Critical patent/HK1111307A2/en

Links

HK08104022A 2008-04-10 2008-04-10 A visible doorbell system HK1111307A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HK08104022A HK1111307A2 (en) 2008-04-10 2008-04-10 A visible doorbell system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HK08104022A HK1111307A2 (en) 2008-04-10 2008-04-10 A visible doorbell system

Publications (1)

Publication Number Publication Date
HK1111307A2 true HK1111307A2 (en) 2008-08-01

Family

ID=39769032

Family Applications (1)

Application Number Title Priority Date Filing Date
HK08104022A HK1111307A2 (en) 2008-04-10 2008-04-10 A visible doorbell system

Country Status (1)

Country Link
HK (1) HK1111307A2 (en)

Similar Documents

Publication Publication Date Title
PL2327012T3 (en) A display system
GB0809563D0 (en) A behaviour modification system
EP2113100A4 (en) Display system
GB0802919D0 (en) A framing system
GB0624773D0 (en) A facility decontaminaton system
GB2458281B (en) A security system
GB2458013B (en) Display system
HK1136922A1 (en) Display system
GB201106429D0 (en) A micro-lubrication system
GB2460961B (en) A facade system
GB0810908D0 (en) A Refridgeration system
GB2455632B (en) A panel system
PL2398973T3 (en) A framing system
GB2450135A8 (en) A cabinet system
GB0704732D0 (en) A communication system
HK1111307A2 (en) A visible doorbell system
GB2445994B (en) Display system
GB0812885D0 (en) A building system
GB0605243D0 (en) A system
HK1111306A2 (en) A visible doorbell device
GB0917088D0 (en) A system
ZA201001646B (en) A benefit system
GB0817812D0 (en) A time reference system
GB0817061D0 (en) A time reference system
AU2008903320A0 (en) A system

Legal Events

Date Code Title Description
PEU Short-term patents expired

Effective date: 20160409