Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12024126 | Ladder systems, agricultural vehicles, and related methods | Mark Aron Crowley | 2024-07-02 |
| 11634082 | Ladder systems, agricultural vehicles, and related methods | Mark Aron Crowley | 2023-04-25 |
| 11332076 | Ladder systems, agricultural vehicles, and related methods | Mark Aron Crowley | 2022-05-17 |
| 10464580 | Railroad tank car manway assembly | Dan Schmidt, Gary C. Walter | 2019-11-05 |
| 10029705 | Railroad tank car manway assembly | Dan Schmidt, Gary C. Walter | 2018-07-24 |