Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5794151 | Frequency allocation for shared spectrum transmitter based on location | James A. McDonald, Thomas A. Freeburg, Thomas V. D'Amico | 1998-08-11 |
| 5475734 | Method and apparatus for sharing radio frequency spectrum in a radio frequency communication system | James A. McDonald | 1995-12-12 |
| 5475866 | System for informing secondary users of which radio channels are usable in which geographic region | — | 1995-12-12 |
| 5422930 | Method and apparatus for sharing radio frequency spectrum in a radio frequency communication system | James A. McDonald | 1995-06-06 |
| 5218273 | Multi-function field emission device | Robert C. Kane | 1993-06-08 |
| 4491806 | Resonant cavity with integrated microphonic suppression means | Gary R. Reynolds, Thomas R. Gaynor, Raul Olivera, Jay G. Smith, Christopher Neil Kurby +1 more | 1985-01-01 |