Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9140309 | Two-speed clutch and kit | Brian T. Lawrence, Michael J. Bieber | 2015-09-22 |
| 8544627 | Two-speed clutch and retro-fit kit | Brian T. Lawrence, Michael J. Bieber | 2013-10-01 |