Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8328216 | Retractable/extendable crank using a cylindrical cam, an end cam, or a swash plate cam, and bicycle using the same | — | 2012-12-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8328216 | Retractable/extendable crank using a cylindrical cam, an end cam, or a swash plate cam, and bicycle using the same | — | 2012-12-11 |