Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5192098 | Latch construction | Joseph Koskelowsky | 1993-03-09 |
| 5044679 | Latch construction | Joseph Koskelowsky | 1991-09-03 |
| 4550426 | Method and means of detecting the presence of a signal representing voice and of compressing the level of the signal | Steven F. Gillig, George H. Fergus | 1985-10-29 |
| 4421952 | Multi-frequency busy signal synthesizing circuitry | — | 1983-12-20 |
| 4392281 | Releasable fastener | Joseph R. Metz | 1983-07-12 |