Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4237410 | Regenerative electric motor | Alfred C. Erickson | 1980-12-02 |
| 4203236 | Foldable snow shoe | Alfred C. Erickson | 1980-05-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4237410 | Regenerative electric motor | Alfred C. Erickson | 1980-12-02 |
| 4203236 | Foldable snow shoe | Alfred C. Erickson | 1980-05-20 |