Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11873019 | Wheeled device for snowmobile ski | Ernest J. DeLanghe, Steven W. Potter, Paul Dathe, Randall Seurer | 2024-01-16 |
| 11577772 | Wheeled device for snowmobile ski | Ernest J. DeLanghe, Steven W. Potter, Paul Dathe, Randall Seurer | 2023-02-14 |
| 11173941 | Wheeled device for snowmobile ski | Ernest J. DeLanghe, Steven W. Potter, Paul Dathe, Randall Seurer | 2021-11-16 |
| 10486729 | Wheeled device for snowmobile ski | Ernest J. DeLanghe, Steven W. Potter, Paul Dathe, Randall Seurer | 2019-11-26 |
| 10441321 | Rib hook devices, systems, and methods of use | Hai Yao, Richard Gross | 2019-10-15 |
| 5103685 | Wrist-worm rate of ascent/descent indicator | — | 1992-04-14 |
| 5003586 | Dial tone interrupt device | — | 1991-03-26 |