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Stephen B. Knuth
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Mission Viejo, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and method for preventing disconnection of consumer premi...
Patent number
6,160,872
Issue date
Dec 12, 2000
Casio Communications, Inc.
Mark J. Karnowski
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Integrated cordless telephone with telephone answering device and m...
Patent number
5,826,187
Issue date
Oct 20, 1998
Casio PhoneMate, Inc.
Kenneth R. Core
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone answering device and method for screening incoming teleph...
Patent number
5,781,613
Issue date
Jul 14, 1998
Casio PhoneMate, Inc.
Stephen B. Knuth
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Voice mail telephone answering device
Patent number
5,768,349
Issue date
Jun 16, 1998
Casio PhoneMate, Inc.
Stephen B. Knuth
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cordless telephone with voice announced calling party identification
Patent number
5,646,979
Issue date
Jul 8, 1997
Casio PhoneMate, Inc.
Stephen B. Knuth
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone answering device with direct telephone line interface
Patent number
5,606,598
Issue date
Feb 25, 1997
Casio PhoneMate, Inc.
Mark J. Karnowski
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital telephone answering device and method of testing message st...
Patent number
5,588,046
Issue date
Dec 24, 1996
Casio PhoneMate, Inc.
Stephen B. Knuth
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for system and message activation based on distinctive ringing
Patent number
5,577,104
Issue date
Nov 19, 1996
Casio PhoneMate, Inc.
Stephen B. Knuth
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Shared line answering system with enhanced extension device features
Patent number
5,432,844
Issue date
Jul 11, 1995
PhoneMate, Inc.
Kenneth R. Core
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Environmental adaptive mechanism for channel utilization in cordles...
Patent number
5,418,839
Issue date
May 23, 1995
PhoneMate, Inc.
Stephen B. Knuth
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Voice activated, handsfree telephone answering device
Patent number
5,406,618
Issue date
Apr 11, 1995
PhoneMate, Inc.
Stephen B. Knuth
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Voice mail digital telephone answering device
Patent number
5,400,393
Issue date
Mar 21, 1995
PhoneMate, Inc.
Stephen B. Knuth
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Shared line telephone answering system with a telephone line-powere...
Patent number
5,392,332
Issue date
Feb 21, 1995
PhoneMate, Inc.
Kenneth R. Core
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Enviromental adaptive mechanism for channel utilization in cordless...
Patent number
5,197,093
Issue date
Mar 23, 1993
PhoneMate, Inc.
Stephen B. Knuth
H04 - ELECTRIC COMMUNICATION TECHNIQUE