Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11124935 | Snowplow with ground contour following cutting edge and impact absorption | Dale James Martin, Ryan Earl Frey, Marvin Martin | 2021-09-21 |
| 10865534 | Snowplow with ground contour following cutting edge and impact absorption | Dale James Martin, Ryan Earl Frey | 2020-12-15 |