Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10480141 | Wing plow apparatus | Spencer J. Null, Matthew H. Hood | 2019-11-19 |
| 10195976 | Spreader with removable material transportation mechanism | Spencer J. Null, Vladimir Feldman, Douglas E. Metcalf, Robert W. Wood, Allen T. Joyce | 2019-02-05 |
| 10196789 | Plow trip edge spring sharer | Spencer J. Null, Thomas M. Fears | 2019-02-05 |
| 10196790 | Wing plow apparatus | Spencer J. Null, Matthew H. Hood | 2019-02-05 |
| 10053826 | Wing plow apparatus | Spencer J. Null, Matthew H. Hood | 2018-08-21 |
| 9931971 | Spreader with removable material transportation mechanism | Spencer J. Null, Vladimir Feldman, Douglas E. Metcalf, Robert W. Wood | 2018-04-03 |