Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10196264 | Reactor for release of hydrogen from a liquid compound | Martin Eypasch, Peter Wasserscheid, Willi Peters | 2019-02-05 |
| 6497086 | Rotary cutting desk corner suspension | Rex R. Bergsten | 2002-12-24 |
| 6089006 | Grass catcher for lawn mower | LeRoy Langford, Anthony N. Pink, Richard Guertin | 2000-07-18 |
| 5355664 | Caster wheel suspension and shaft tensioning system for turf maintenance equipment | — | 1994-10-18 |
| 5212938 | Mulching mower with obround cutting chamber | Richard Guertin | 1993-05-25 |
| 4930298 | Cutting unit cover | — | 1990-06-05 |
| 4854112 | Turf maintenance apparatus | Charles C. Holley, Walter J. Petersen | 1989-08-08 |