Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D690789 | Mouse trap | — | 2013-10-01 |
| 8499488 | Tilt ramp trap having bosses | Harry E. Knuppel, Edward J. Yarkosky | 2013-08-06 |
| 6691452 | Light weight responsive tilt ramp rodent trap | Harry E. Knuppel, Edward J. Yarkosky | 2004-02-17 |
| 6631582 | Low profile tilt-ramp trap | Harry E. Knuppel | 2003-10-14 |