Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594354 | Method for measuring selected frequencies of a coupled-dual resonator crystal | Gerald E. Roberts | 1997-01-14 |
| 5587663 | Method for measuring the inductance of each resonator of a coupled-dual resonator crystal | Gerald E. Roberts | 1996-12-24 |
| D351257 | Finger shield for use while cutting and dicing food | David Muller, Edward Colozzi, Jr. | 1994-10-04 |
| 5100218 | Thermal imaging optical system | Michael J. Tuck | 1992-03-31 |
| 4679891 | Infra-red lenses | — | 1987-07-14 |
| 4676581 | Infra-red lenses | — | 1987-06-30 |
| 4183624 | Lenses | Philip J. Rogers | 1980-01-15 |