Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4662646 | Trailing mower and drawbar articulation | William J. Schlapman, James L. Wirsbinski | 1987-05-05 |
| 4582504 | Trailing mower, belt, clutch and brake assembly | William J. Schlapman, James L. Wirsbinski | 1986-04-15 |
| 4558881 | Tractor-mounted implement hitch arrangement | — | 1985-12-17 |
| 4470441 | Hydraulic wood splitter | James L. Wirsbinski | 1984-09-11 |
| 4446898 | Self-elevating wood splitter and mounting arrangement | — | 1984-05-08 |
| 4411298 | Log splitter mounting arrangement | Raymond Lorel Ellingsen, Jr. | 1983-10-25 |