Hofgen; Gunter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hofgen; Gunter.The latest application filed is for "two-way ranging system".
- Hofgen; Gunter - Kornwestheim DE
| Patent | Date |
|---|---|
| Two-way ranging system Grant 4,677,441 - Hofgen , et al. June 30, 1 | 1987-06-30 |
| Position-fixing system Grant 4,613,864 - Hofgen September 23, 1 | 1986-09-23 |
| Two-way ranging system Grant 4,438,435 - Hofgen , et al. March 20, 1 | 1984-03-20 |
| Airport surveillance system Grant 4,418,349 - Hofgen , et al. November 29, 1 | 1983-11-29 |
| Monitoring system for scanning-beam microwave landing apparatus Grant 4,333,081 - Hofgen June 1, 1 | 1982-06-01 |
| Facility for monitoring the carrier-frequency and sideband signals radiated by a DVOR ground station Grant 4,005,427 - Hofgen January 25, 1 | 1977-01-25 |
| Method Of And Arrangement For Varying The Ratio Of Carrier Power To Sideband Power In Ils Navigation Systems Grant 3,760,419 - Poschadel , et al. September 18, 1 | 1973-09-18 |
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