Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6254350 | Automatic sub-floor pumping system | Richard Koenig | 2001-07-03 |
| 5923102 | Automatic sub-floor pumping system | Richard Koenig | 1999-07-13 |
| 5610600 | Operation verification system and method for navigational instruments | — | 1997-03-11 |
| 5244102 | Cap receiving apparatus | — | 1993-09-14 |
| 5241698 | Radio receiver operational checking method and system including reactive coupling | — | 1993-08-31 |
| 4551595 | Tape switch with corrugated wavy conductor | Walter C. Lovell | 1985-11-05 |
| 4396004 | Venting means for solar collectors | — | 1983-08-02 |
| 4392483 | Solar collector means | — | 1983-07-12 |
| 4296283 | Normally closed wafer switch | Victor D'Angelo | 1981-10-20 |
| 4293752 | Self adhering tape switch | — | 1981-10-06 |