Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8979688 | Cushioning structure for a sprocket | — | 2015-03-17 |
| 8002658 | Chains for power transmission | Timothy J. Ledvina | 2011-08-23 |
| 7452295 | Chains for power transmission | — | 2008-11-18 |
| 5345753 | Silent chain | Tomonori Okuda, Tetsuji Kotera | 1994-09-13 |