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Bruce A. Smetana
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Escondido, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Subscriber unit for wireless digital telephone system
Patent number
5,842,137
Issue date
Nov 24, 1998
InterDigital Technology Corporation
David N. Critchlow
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Subscriber unit for wireless digital telephone system
Patent number
5,177,741
Issue date
Jan 5, 1993
International Mobile Machines Corporation
David N. Critchlow
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic adaptive equalizer
Patent number
5,168,507
Issue date
Dec 1, 1992
International Mobile Machines Corporation
David N. Critchlow
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frequency synthesizer circuit
Patent number
5,159,705
Issue date
Oct 27, 1992
International Mobile Machines Corporation
David N. Critchlow
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital time-multiplexed quadrature frequency upconverter
Patent number
5,101,418
Issue date
Mar 31, 1992
International Mobile Machines Corporation
David N. Critchlow
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interpolator for varying a signal sampling rate
Patent number
5,067,141
Issue date
Nov 19, 1991
International Mobile Machine Corporation
David N. Critchlow
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Deglitching means for digital communication systems
Patent number
4,996,697
Issue date
Feb 26, 1991
International Mobile Machines Corporation
David N. Critchlow
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Subscriber unit for wireless digital telephone system
Patent number
4,994,802
Issue date
Feb 19, 1991
International Mobile Machines Corporation
David N. Critchlow
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital signals and frequency correction in a digital wireless system
Patent number
4,893,317
Issue date
Jan 9, 1990
International Mobile Machines Corporation
David N. Critchlow
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
AM equalizer circuit for digital systems
Patent number
4,881,240
Issue date
Nov 14, 1989
International Mobile Machines Corporation
David N. Critchlow
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Subscriber unit for wireless digital telephone system
Patent number
4,825,448
Issue date
Apr 25, 1989
International Mobile Machines Corporation
David N. Critchlow
H04 - ELECTRIC COMMUNICATION TECHNIQUE