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Rex John Crookshanks
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Palos Verdes Estates, CA, US
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last 30 patents
Information
Patent Grant
Building construction bid and contract management system, internet-...
Patent number
7,089,203
Issue date
Aug 8, 2006
Rex J. Crookshanks
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Macro image processing system
Patent number
5,175,802
Issue date
Dec 29, 1992
Hughes Aircraft Company
Rex J. Crookshanks
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for transferring data through a network of intelligent contr...
Patent number
5,099,235
Issue date
Mar 24, 1992
Hughes Aircraft Company
Rex J. Crookshanks
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing system employing pseudo-focal plane array
Patent number
4,991,109
Issue date
Feb 5, 1991
Hughes Aircraft Company
Rex J. Crookshanks
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Offset and gain correction system for image data processing
Patent number
4,991,127
Issue date
Feb 5, 1991
Hughes Aircraft Company
Rex J. Crookshanks
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Real-time image processing system
Patent number
4,991,111
Issue date
Feb 5, 1991
Hughes Aircraft Company
Rex J. Crookshanks
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image processing system and method using modulated detector outputs
Patent number
4,809,194
Issue date
Feb 28, 1989
Hughes Aircraft Company
Rex J. Crookshanks
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Time base converter employing two reference position phase lock loop
Patent number
4,796,253
Issue date
Jan 3, 1989
Hughes Aircraft Company
Rex J. Crookshanks
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-arm frequency sweep generator
Patent number
4,783,632
Issue date
Nov 8, 1988
Hughes Aircraft Company
Rex J. Crookshanks
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Wide bandwidth device for demodulating frequency division multiplex...
Patent number
4,754,449
Issue date
Jun 28, 1988
Hughes Aircraft Company
Rex J. Crookshanks
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Saw demodulator employing corrective feedback timing
Patent number
4,747,095
Issue date
May 24, 1988
Hughes Aircraft Company
Rex J. Crookshanks
G01 - MEASURING TESTING
Information
Patent Grant
Frequency-selectable pulsed-sinusoid generation system
Patent number
4,739,186
Issue date
Apr 19, 1988
Hughes Aircraft Company
Rex J. Crookshanks
G01 - MEASURING TESTING
Information
Patent Grant
Time base converter employing two reference position phase lock loop
Patent number
4,737,952
Issue date
Apr 12, 1988
Hughes Aircraft Company
Rex J. Crookshanks
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Synchronizer for communications processor
Patent number
4,719,619
Issue date
Jan 12, 1988
Hughes Aircraft Company
Rex J. Crookshanks
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
FDMA communications channel synchronizer
Patent number
4,715,029
Issue date
Dec 22, 1987
Hughes Aircraft Company
Rex J. Crookshanks
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Calibrated overlapping frequency sweep
Patent number
4,679,161
Issue date
Jul 7, 1987
Hughes Aircraft Company
Rex J. Crookshanks
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Calibrated radio frequency sweep
Patent number
4,667,151
Issue date
May 19, 1987
Hughes Aircraft Company
Rex J. Crookshanks
G01 - MEASURING TESTING
Information
Patent Grant
Calibrated radio frequency analog spectrum analyzer
Patent number
4,652,816
Issue date
Mar 24, 1987
Hughes Aircraft Company
Rex J. Crookshanks
G01 - MEASURING TESTING
Information
Patent Grant
Fast semiconductor digital logic inverter gate
Patent number
4,239,981
Issue date
Dec 16, 1980
Ampex Corporation
Rex J. Crookshanks
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Core memory with improved sense-inhibit recovery time
Patent number
3,982,233
Issue date
Sep 21, 1976
Ampex Corporation
Rex John Crookshanks
G11 - INFORMATION STORAGE