Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10286765 | Tonneau cover system for a cargo bed of a vehicle | Scott Williamson, David Kosinski, Michael Yang, Xichang Yan, Jianfeng Tong +4 more | 2019-05-14 |
| 10189339 | Tonneau cover system for a cargo bed of a vehicle | Scott Williamson, David Kosinski, Michael Yang, Xichang Yan, Jianfeng Tong +3 more | 2019-01-29 |
| RE32467 | Plow attachment for converting a rotary tiller into a plow | — | 1987-08-04 |
| 4286671 | Kit for converting a rotary tiller into a plow | — | 1981-09-01 |