Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8499488 | Tilt ramp trap having bosses | Harry E. Knuppel, Kathy J. Wauson | 2013-08-06 |
| 6691452 | Light weight responsive tilt ramp rodent trap | Harry E. Knuppel, Kathy J. Wauson | 2004-02-17 |