Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5828200 | Motor control system for variable speed induction motors | Warren E. Dennis, Thomas M. Ligman | 1998-10-27 |
| 5555595 | Carpet cleaner unit with adjustable power control | — | 1996-09-17 |
| 4737767 | Solid state keyboard | Harry W. Kompanek | 1988-04-12 |
| 4658897 | Downhole transducer systems | Harry W. Kompanek, Eric D. Plambeck | 1987-04-21 |
| 4658197 | Motor control circuit | — | 1987-04-14 |
| 4512402 | Casing tuned downhole tool | Harry W. Kompanek, Eric D. Plambeck | 1985-04-23 |
| 4206491 | Entry system | Peter N. Kaufman, Harry W. Kompanek, David K. Carlson | 1980-06-03 |