Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11193739 | Method and apparatus for use of interactive targets | — | 2021-12-07 |
| 10823536 | Method and apparatus for use of interactive targets | — | 2020-11-03 |
| 6339287 | Fluorescent lamp containing a mercury zinc amalgam and a method of manufacture | Duane A. Stafford, Steven C. Hansen, Timothy R. Brumleve | 2002-01-15 |
| 5882237 | Fluorescent lamp containing a mercury zinc amalgam and a method of manufacture | Duane A. Stafford, Steven C. Hansen, Timothy R. Brumleve | 1999-03-16 |