Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4738653 | Roller chain drive having a self cleaning roller chain sprocket | Paul R. Riewerts | 1988-04-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4738653 | Roller chain drive having a self cleaning roller chain sprocket | Paul R. Riewerts | 1988-04-19 |