GB189900320A - An Improved Apparatus to Assist the Sense of Hearing. - Google Patents

An Improved Apparatus to Assist the Sense of Hearing.

Info

Publication number
GB189900320A
GB189900320A GB189900320DA GB189900320A GB 189900320 A GB189900320 A GB 189900320A GB 189900320D A GB189900320D A GB 189900320DA GB 189900320 A GB189900320 A GB 189900320A
Authority
GB
United Kingdom
Prior art keywords
hearing
assist
sense
improved apparatus
improved
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Inventor
Shamrao Babajee Powar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB189900320A publication Critical patent/GB189900320A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/30Non-electric hearing aids, e.g. ear trumpets, sound amplifiers or ear-shells

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Psychology (AREA)
  • Acoustics & Sound (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
GB189900320D 1899-01-06 1899-01-06 An Improved Apparatus to Assist the Sense of Hearing. Expired GB189900320A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB189900320T 1899-01-06

Publications (1)

Publication Number Publication Date
GB189900320A true GB189900320A (en) 1899-03-11

Family

ID=35246352

Family Applications (1)

Application Number Title Priority Date Filing Date
GB189900320D Expired GB189900320A (en) 1899-01-06 1899-01-06 An Improved Apparatus to Assist the Sense of Hearing.

Country Status (1)

Country Link
GB (1) GB189900320A (en)

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