Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938113 | Inline vaporizer | Lawrence A. Weinstein, Norman Hugh Tiffin, Tuan Quoc Tran, Douglas H. Currie, Jr., David E. Roche | 2011-05-10 |
| 6580596 | Solenoid drive circuit | — | 2003-06-17 |
| 6411234 | Continuous input selector switch | — | 2002-06-25 |
| 5661460 | Distance determination and alarm system | Roy Sallen, Walter James Budzyna, Charles E. Sawabini | 1997-08-26 |
| 4856906 | Enhanced system for transmission loss comparison | Clifford D. Caseley | 1989-08-15 |
| 4759631 | System for transmission loss comparison | — | 1988-07-26 |
| 4473263 | Circuit board mounting device and associated components | — | 1984-09-25 |
| 4295204 | Programmable correlator | — | 1981-10-13 |