Alpers; Frederick C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Alpers; Frederick C..The latest application filed is for "frequency-agile transponder".
- Alpers; Frederick C. - Ridgecrest CA
- Alpers; Frederick C. - Riverside CA
- Alpers; Frederick C. - Corona CA
| Patent | Date |
|---|---|
| Frequency-agile transponder Grant 4,350,982 - Alpers September 21, 1 | 1982-09-21 |
| Target locating and missile guidance system Grant 4,315,609 - McLean , et al. February 16, 1 | 1982-02-16 |
| Remote targeting system for guided missiles Grant 4,288,049 - Alpers September 8, 1 | 1981-09-08 |
| Remote sensing device Grant 4,278,976 - Alpers , et al. July 14, 1 | 1981-07-14 |
| Passive direction finding system Grant 4,236,159 - Alpers November 25, 1 | 1980-11-25 |
| High resolution microwave seeker Grant 4,194,204 - Alpers March 18, 1 | 1980-03-18 |
| Radiometric target detection device Grant 3,978,797 - Harrington , et al. September 7, 1 | 1976-09-07 |
| Aim point correlator Grant 3,923,273 - Alpers December 2, 1 | 1975-12-02 |
| Center Tracking Electro-optical Guidance System Grant 3,903,361 - Alpers September 2, 1 | 1975-09-02 |
| Delay type probe antenna noise cancellation system Grant 3,895,385 - Alpers July 15, 1 | 1975-07-15 |
| Frequency jumping CW radar Grant 3,878,525 - Alpers April 15, 1 | 1975-04-15 |
| Automatic command guidance system using optical trackers Grant 3,876,308 - Alpers April 8, 1 | 1975-04-08 |
| Gray-level angle-gated electro-optical seeker Grant 3,865,974 - Alpers February 11, 1 | 1975-02-11 |
| Remote Clock Synchronization System Grant 3,801,981 - Alpers April 2, 1 | 1974-04-02 |
| Simultaneous Missile And Target Electro-optical Tracking System Grant 3,761,612 - Alpers September 25, 1 | 1973-09-25 |
| Precision Transponder System Grant 3,755,814 - Alpers August 28, 1 | 1973-08-28 |
| Discriminatory Missile Guidance System Grant 3,724,783 - Nolan, Jr. , et al. April 3, 1 | 1973-04-03 |
| Leading Edge Discriminator Circuit Grant 3,725,935 - Alpers April 3, 1 | 1973-04-03 |
| Automatic Path Follower Guidance System Grant 3,712,563 - Alpers January 23, 1 | 1973-01-23 |
| Passive Electro-optical Seeker Grant 3,651,326 - Alpers March 21, 1 | 1972-03-21 |
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