Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4660242 | Activator | Walter Vornberger | 1987-04-28 |
| 4553281 | Side and heel lasting machine | — | 1985-11-19 |
| RE30646 | Cement side and heel lasting machine | Walter Vornberger | 1981-06-16 |