Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846919 | Attaching soles to shoes | Raymond A. Hanson, Christopher M. Allen, Hubertus von Voithenberg | 1989-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846919 | Attaching soles to shoes | Raymond A. Hanson, Christopher M. Allen, Hubertus von Voithenberg | 1989-07-11 |