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C. Roger Anderson
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Wilmette, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Hearing aid assembly having external directional microphone
Patent number
6,704,423
Issue date
Mar 9, 2004
Etymotic Research, Inc.
C. Roger Anderson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Vocal communication snorkel
Patent number
5,493,079
Issue date
Feb 20, 1996
C. Roger Anderson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Microphone for use in a vibrating environment
Patent number
5,363,452
Issue date
Nov 8, 1994
Shure Brothers, Inc.
C. Roger Anderson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Brush contact for phonograph tone arm dynamic stabilizer
Patent number
4,514,836
Issue date
Apr 30, 1985
Shure Brothers, Inc.
James Kogen
G11 - INFORMATION STORAGE
Information
Patent Grant
Loudspeaker horn with adjustable angle of dispersion
Patent number
4,194,590
Issue date
Mar 25, 1980
Shure Brothers, Incorporated
C. Roger Anderson
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Microphone
Patent number
3,989,905
Issue date
Nov 2, 1976
Shure Brothers Inc.
C. Roger Anderson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Hearing aid assembly having external directional microphone
Publication number
20010031058
Publication date
Oct 18, 2001
C. Roger Anderson
H04 - ELECTRIC COMMUNICATION TECHNIQUE