Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5459887 | Portable sitz bath and therapeutic chair | D. Garry Roman | 1995-10-24 |
| 5446795 | Universal decoder for television signal scramble systems | Adrian J. DeVries | 1995-08-29 |
| 5235640 | Master decoder for television signal scramble systems | Adrian J. DeVries | 1993-08-10 |
| 5079784 | Hydro-massage tub control system | Charles S. Daniels | 1992-01-14 |
| 4903297 | Restricted access television transmission system | Adrian J. DeVries | 1990-02-20 |
| 4882772 | Electro-optical light beam signal transmission system | Alberto Casanova | 1989-11-21 |
| 4825467 | Restricted access television transmission system | Adrian J. DeVries | 1989-04-25 |
| 4308941 | Logic for coin operated office copy machine vender | Michael England, Les R. Cousineau | 1982-01-05 |
| 4268805 | Citizens band broadcast band coupling circuit | James L. Tanner, George Sanchez | 1981-05-19 |