Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4662646 | Trailing mower and drawbar articulation | William J. Schlapman, Dale A. Manteufel | 1987-05-05 |
| 4582504 | Trailing mower, belt, clutch and brake assembly | William J. Schlapman, Dale A. Manteufel | 1986-04-15 |
| 4470441 | Hydraulic wood splitter | Dale A. Manteufel | 1984-09-11 |
| 4432402 | Self-elevating wood splitter | — | 1984-02-21 |
| 4417765 | Dump cart | — | 1983-11-29 |
| 4383381 | Dozer blade mounting arrangement | — | 1983-05-17 |
| 4358300 | Welding fume and spark trap | William J. Schlapman | 1982-11-09 |
| 4245968 | Lubricating system for pump and control valve therefor | Floyd E. Buschbom | 1981-01-20 |
| 4199054 | Door opening mechanism for feed conveyor | — | 1980-04-22 |