Hearing aid
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 16, 1993
Grant Date -
N/A
app pub date -
May 15, 1991
filing date -
May 15, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Loading Importance Indicators... 
Abstract
A hearing aid in which selected frequency components of sound being vented from the ear canal of the user of the hearing aid to eliminate the 'occlusion effect' are conducted to an acoustically isolated cavity to eliminate, or greatly reduce, feedback in the hearing aid.
Loading the Abstract Image...
OK
First Claim
Family
Loading Family data...
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully