Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9650071 | Bi-directional towed snowplow and method of plowing | Leo P. Manion, William John Reeves, Gerald Simpson | 2017-05-16 |
| 9388544 | Finger snow plow with extension | William John Reeves, Gerald Simpson, Leo P. Manion | 2016-07-12 |
| 7975408 | Snow plow and method of plowing snow | Gerald Simpson, William John Reeves | 2011-07-12 |
| 7908775 | Two-stage snow plow | Gerald Simpson, William John Reeves | 2011-03-22 |
| 7730643 | Two-stage snow plow | Gerald Simpson, William John Reeves | 2010-06-08 |
| 6786435 | Twin discharge conveyor for a truck mounted spreader system | — | 2004-09-07 |
| 4568028 | Dual purpose vehicle | Jan Verseef | 1986-02-04 |