Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D325673 | Card case | Diane Bell | 1992-04-28 |
| 4533152 | Automatic variable speed lever action drive | — | 1985-08-06 |
| 4215872 | Positive shift derailleur mechanism | — | 1980-08-05 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D325673 | Card case | Diane Bell | 1992-04-28 |
| 4533152 | Automatic variable speed lever action drive | — | 1985-08-06 |
| 4215872 | Positive shift derailleur mechanism | — | 1980-08-05 |