Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810275 | Hand-held communication device with vertically oriented antenna | Kenneth Schmidt, Richard Grams | 2004-10-26 |
| 6453154 | Moveable antenna employing a hybrid RF and DC circuit | William Joe Haber, Kevin House | 2002-09-17 |
| 4879897 | Method and apparatus for the determination of viscosity | Rodney I. Booth, Colin W. Wrigley, Robert A. Orth | 1989-11-14 |
| 4785229 | Threshold detecting battery protection circuitry | — | 1988-11-15 |
| 4558231 | Variable rate bi-directional slew control and method therefor | — | 1985-12-10 |