Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772993 | Plug and seal assembly | Curtis George Sterud | 2004-08-10 |
| 6732629 | Pneumatic actuator circuit | Paul Smirl, Flavio Tondolo | 2004-05-11 |
| 6675832 | Blowdown valve | Duc Thanh Tran, Stephen Freitas | 2004-01-13 |
| 4888822 | Apparatus and method for determining cost of telephone calls | Gerald J. Weinberger, Roger C. Lee | 1989-12-19 |
| 4319089 | Telephone answering machine | — | 1982-03-09 |
| 4209668 | Telephone having reiterative dialing feature | Gerald J. Weinberger | 1980-06-24 |