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John Sheffield
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Folsom, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Hand microphone interfaced to game controller port of personal comp...
Patent number
7,676,291
Issue date
Mar 9, 2010
Dictaphone Corporation
John Sheffield
G11 - INFORMATION STORAGE
Information
Patent Grant
Dictation system employing computer-to-computer transmission of voi...
Patent number
7,366,767
Issue date
Apr 29, 2008
Dictaphone Corporation
John Sheffield
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Hand microphone interfaced to game controller port of personal comp...
Patent number
7,035,701
Issue date
Apr 25, 2006
Dictaphone Corporation
John Sheffield
G11 - INFORMATION STORAGE
Information
Patent Grant
Dictation system employing computer-to-computer transmission of voi...
Patent number
6,697,841
Issue date
Feb 24, 2004
Dictaphone Corporation
John Sheffield
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Hand microphone interfaced to game controller port of personal comp...
Patent number
6,529,450
Issue date
Mar 4, 2003
Dictaphone Corporation
John Sheffield
G11 - INFORMATION STORAGE
Information
Patent Grant
Automatic distribution of voice files
Patent number
6,493,672
Issue date
Dec 10, 2002
Dictaphone Corporation
Nicholas A. D'Agosto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Hand microphone interfaced to game controller port of personal comp...
Publication number
20060233396
Publication date
Oct 19, 2006
John Sheffield
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Dictation system employing computer-to-computer transmission of voi...
Publication number
20040260779
Publication date
Dec 23, 2004
Dictaphone Corporation
John Sheffield
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Hand microphone interfaced to game controller port of personal comp...
Publication number
20030091205
Publication date
May 15, 2003
John Sheffield
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Automatic distribution of voice files
Publication number
20020038214
Publication date
Mar 28, 2002
Dictaphone Corporation
Nicholas A. D'Agosto
H04 - ELECTRIC COMMUNICATION TECHNIQUE