Babbitt; Richard W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Babbitt; Richard W..The latest application filed is for "modulated retroreflection system for secure communication and identification".
- Babbitt; Richard W. - Fair Haven NJ
- Babbitt; Richard W. - Fairhaven NJ
| Patent | Date |
|---|---|
| Modulated retroreflection system for secure communication and identification Grant 5,819,164 - Sun , et al. October 6, 1 | 1998-10-06 |
| System and method for calibrating a ferroelectric phase shifter Grant 5,479,139 - Koscica , et al. December 26, 1 | 1995-12-26 |
| Microwave circulator with a planar, biasing, permanent magnet Grant H1,408 - Babbitt , et al. January 3, 1 | 1995-01-03 |
| Microwave ferroelectric phase shifters and methods for fabricating the same Grant 5,334,958 - Babbitt , et al. August 2, 1 | 1994-08-02 |
| Planar digital ferroelectric phase shifter Grant 5,307,033 - Koscica , et al. April 26, 1 | 1994-04-26 |
| Microstrip electronic scan antenna array Grant 5,243,354 - Stern , et al. September 7, 1 | 1993-09-07 |
| Microstrip frequency-scan antenna Grant H1,230 - Stern , et al. September 7, 1 | 1993-09-07 |
| Planar ferro-electric phase shifter Grant 5,212,463 - Babbitt , et al. May 18, 1 | 1993-05-18 |
| Slotted microstrip electronic scan antenna Grant 5,189,433 - Stern , et al. February 23, 1 | 1993-02-23 |
| Microstrip high reverse loss isolator Grant 5,180,997 - Stern , et al. January 19, 1 | 1993-01-19 |
| Microstrip circuit with transition for different dielectric materials Grant 5,160,904 - Babbitt , et al. November 3, 1 | 1992-11-03 |
| Switchable scan antenna array Grant 5,144,320 - Stern , et al. September 1, 1 | 1992-09-01 |
| Drop-in magnetically tunable microstrip bandpass filter Grant 5,101,182 - Babbitt , et al. March 31, 1 | 1992-03-31 |
| Open cryogenic microwave test chamber Grant 5,052,183 - Koscica , et al. October 1, 1 | 1991-10-01 |
| Method of making a ferrite circulator Grant H781 - Stern , et al. May 1, 1 | 1990-05-01 |
| Compact microstrip latching reciprocal phase shifter Grant 4,887,054 - Stern , et al. December 12, 1 | 1989-12-12 |
| Millimeter wave microstrip nonreciprocal phase shifter Grant 4,881,052 - Stern , et al. November 14, 1 | 1989-11-14 |
| Slotted microstrip antenna with ferrite coating Grant 4,879,562 - Stern , et al. November 7, 1 | 1989-11-07 |
| Microstrip phase scan antenna array Grant 4,839,659 - Stern , et al. June 13, 1 | 1989-06-13 |
| Millimeter wave microstrip phase shifter Grant 4,816,787 - Stern , et al. March 28, 1 | 1989-03-28 |
| Phase scan antenna array Grant 4,785,304 - Stern , et al. November 15, 1 | 1988-11-15 |
| Millimeter wave microstrip circulator Grant 4,749,966 - Stern , et al. June 7, 1 | 1988-06-07 |
| Phase scan antenna Grant 4,746,926 - Stern , et al. May 24, 1 | 1988-05-24 |
| Microstrip to dielectric waveguide transition Grant 4,745,377 - Stern , et al. May 17, 1 | 1988-05-17 |
| Millimeter wave microstrip circulator utilizing hexagonal ferrites Grant H470 - Stern , et al. May 3, 1 | 1988-05-03 |
| Ferrite waveguide scanning antenna Grant 4,691,208 - Stern , et al. September 1, 1 | 1987-09-01 |
| Dielectric waveguide bandpass apparatus Grant 4,538,123 - Mariani , et al. August 27, 1 | 1985-08-27 |
| Variable slot conductance dielectric antenna and method Grant 4,516,131 - Bayha , et al. May 7, 1 | 1985-05-07 |
| Frequency scan antenna utilizing supported dielectric waveguide Grant 4,468,673 - Stern , et al. August 28, 1 | 1984-08-28 |
| Dielectric waveguide reciprocal ferrite phase shifter Grant 4,458,218 - Babbitt , et al. July 3, 1 | 1984-07-03 |
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