Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12207805 | Flexible tissue collection device | Erik H. Papenfuss, Robert E. Marx | 2025-01-28 |
| 11064980 | Flexible tissue collection device | Erik H. Papenfuss, Robert E. Marx | 2021-07-20 |
| 10615888 | Passive intermodulation testing using pulse stimulus | Timothy L. Holt | 2020-04-07 |
| 9391721 | Passive intermodulation testing using pulse stimulus | Timothy L. Holt | 2016-07-12 |
| 5977474 | Continuously variable circuit for producing an output signal having a continuously variable amount of clean and distorted signals | — | 1999-11-02 |
| 5595545 | Golf swing training track apparatus | — | 1997-01-21 |