Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7494325 | Fan blade with ridges | Zvirimumwoyo P. Chinoda, Kurt A. Hilgefort, Terrence J. Meyer, Carl L. Reck | 2009-02-24 |
| 6669200 | Disc toss game | William Ray Knetsch, Dennis Kent Gustafson | 2003-12-30 |
| 4637295 | Pump seal with curved backup plate | Frederick A. Powers | 1987-01-20 |