Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11971238 | Determination of round count by hall switch encoding | Erin Czarnecki, Jeffrey Holt, Michael Leighton, Donald McKelvey, Timothy Eric Roberts +4 more | 2024-04-30 |
| 11719497 | Determination of round count by hall switch encoding | Erin Czarnecki, Jeffrey Holt, Michael Leighton, Donald McKelvey, Timothy Eric Roberts +2 more | 2023-08-08 |
| 11015890 | Determination of round count by hall switch encoding | Erin Czarnecki, Jeffrey Holt, Michael Leighton, Donald McKelvey, Timothy Eric Roberts +2 more | 2021-05-25 |
| D353206 | Fiberglass snow fence | — | 1994-12-06 |
| D318824 | Snow sled for passengers | — | 1991-08-06 |
| D318825 | Snow sled for use in hauling freight | — | 1991-08-06 |