Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D275381 | Human powered vehicle | John M. Speicher, Douglas W. Unkrey, Allan A. Voigt | 1984-09-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D275381 | Human powered vehicle | John M. Speicher, Douglas W. Unkrey, Allan A. Voigt | 1984-09-04 |