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CENTRAL INSTITUTE FOR THE DEAF, A MO CORP
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ST. LOUIS, MO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Electronic filters, hearing aids and methods
Patent number
5,475,759
Issue date
Dec 12, 1995
Central Institute for the Deaf
A. Maynard Engebretson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive noise reduction circuit for a sound reproduction system
Patent number
5,412,735
Issue date
May 2, 1995
Central Institute for the Deaf
A. Maynard Engebretson
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electronic simulator of non-linear and active cochlear spectrum ana...
Patent number
5,402,493
Issue date
Mar 28, 1995
Central Institute for the Deaf
Julius L. Goldstein
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Electronic filters, signal conversion apparatus, hearing aids and m...
Patent number
5,357,251
Issue date
Oct 18, 1994
Central Institute for the Deaf
Robert E. Morley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electronic filters, repeated signal charge conversion apparatus, he...
Patent number
5,225,836
Issue date
Jul 6, 1993
Central Institute for the Deaf
Robert E. Morley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electronic filters, signal conversion apparatus, hearing aids and m...
Patent number
5,111,419
Issue date
May 5, 1992
Central Institute for the Deaf
Robert E. Morley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electronic filters, hearing aids and methods
Patent number
5,016,280
Issue date
May 14, 1991
Central Institute for the Deaf
A. Maynard Engebretson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speech processing apparatus and methods
Patent number
4,820,059
Issue date
Apr 11, 1989
Central Institute for the Deaf
James D. Miller
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Speech processing apparatus and methods
Patent number
4,813,076
Issue date
Mar 14, 1989
Central Institute for the Deaf
James D. Miller
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Speech processing apparatus and methods for processing burst-fricti...
Patent number
4,809,332
Issue date
Feb 28, 1989
Central Institute for the Deaf
Allard Jongman
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Hearing aids, signal supplying apparatus, systems for compensating...
Patent number
4,548,082
Issue date
Oct 22, 1985
Central Institute for the Deaf
A. Maynard Engebretson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Retinal cell grafts
Publication number
20030104618
Publication date
Jun 5, 2003
Central Institute for the Deaf
Stephen E. Hughes
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Trademark
last 30 trademarks
Information
Trademark
77838316 - CID VOICE
Serial number
77838316
Registration number
3787367
Filing date
Sep 30, 2009
Central Institute for the Deaf
41 - Education
Information
Trademark
78089681 - CONVERSATION MADE EASY
Serial number
78089681
Registration number
2780654
Filing date
Oct 23, 2001
Central Institute for the Deaf
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
76158732 - CID VOICE
Serial number
76158732
Registration number
2648262
Filing date
Nov 2, 2000
Central Institute for the Deaf
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
76158733 - TRUST YOUR EARS TO THE EXPERTS
Serial number
76158733
Registration number
2623413
Filing date
Nov 2, 2000
Central Institute for the Deaf
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
76158731 - CENTRAL TO HEARING AND DEAFNESS
Serial number
76158731
Filing date
Nov 2, 2000
Central Institute for the Deaf
41 - Education
Information
Trademark
76140326 - WORD OF MOUTH
Serial number
76140326
Registration number
2768604
Filing date
Sep 28, 2000
Central Institute for the Deaf
41 - Education
Information
Trademark
76138006 - SOUND EFFECTS
Serial number
76138006
Registration number
2482464
Filing date
Sep 28, 2000
Central Institute for the Deaf
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
76138009 - HEARING MATTERS
Serial number
76138009
Registration number
2482465
Filing date
Sep 28, 2000
Central Institute for the Deaf
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
76138008 - CENTRAL INSTITUTE FOR THE DEAF
Serial number
76138008
Registration number
2671037
Filing date
Sep 28, 2000
Central Institute for the Deaf
35 - Advertising
Information
Trademark
76138007 - CID
Serial number
76138007
Registration number
2667856
Filing date
Sep 28, 2000
Central Institute for the Deaf
35 - Advertising
Information
Trademark
76057727 - CID HEARING CENTRAL
Serial number
76057727
Registration number
2661381
Filing date
May 26, 2000
Central Institute for the Deaf
35 - Advertising
Information
Trademark
76057725 - CID
Serial number
76057725
Registration number
2920285
Filing date
May 26, 2000
Central Institute for the Deaf
35 - Advertising