Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4959977 | Machine for and method of performing a roughing operation progressively along marginal portions of a shoe bottom | John Davies | 1990-10-02 |
| 4435869 | Shoe lasting machines | William H. Berrill, Frank Hartshorn | 1984-03-13 |
| 4377876 | Shoe lasting machine | William H. Berrill | 1983-03-29 |