Inventor
George R. Cooper
Inventor
West Lafayette, IN, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Sprimary
G01SRadio direction-finding20%
H04BTransmission20%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock10%
G11BInformation storage based on relative movement between record carrier and transducer10%
H04JMultiplex communication10%
H04KSecret communication10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
6,121,915'Random noise automotive radar system'20004,799,370'Videocassette security-lock-box'19894,222,115'Spread spectrum apparatus for cellular mobile communication systems'19804,193,031'Method of signal transmission and reception utilizing wideband signals'19804,189,677'Demodulator unit for spread spectrum apparatus utilized in a cellular mobile communication system'19803,982,426'Random signal flaw detector system'19763,940,731'Ultrasonic random signal doppler flow measurement system'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1980Patents assigned to PURDUE RESEARCH FOUNDATION (5)· patent assignee history
1976–1980Based in West Lafayette, IN, US· patent location history
1989Patents assigned to COOPER GEORGE R (1)· patent assignee history
1989Based in Grand Junction, CO, US· patent location history
2000Patents assigned to RAYTHEON CO (1)· patent assignee history
2000Based in Alta Loma, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PURDUE RESEARCH FOUNDATION | 5 | 1976–1980 |
| COOPER GEORGE Rself | 1 | 1989 |
| RAYTHEON CO | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| West Lafayette, IN, US | 5 | 1976–1980 |
| Alta Loma, California, US | 1 | 2000 |
| Grand Junction, CO, US | 1 | 1989 |