Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6685544 | Automatic mower reel grinder | James H. Dieck | 2004-02-03 |
| 6290581 | Automatic mower reel grinder | James H. Dieck | 2001-09-18 |
| 6010394 | Automatic mower reel grinder | James H. Dieck | 2000-01-04 |
| 4471673 | Sharpening apparatus for circular saw blades | — | 1984-09-18 |