Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344199 | Machine for stiffening sheet material | John G. Hollick, Donald B. McIlvin, Frederick S. Sillars | 1982-08-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344199 | Machine for stiffening sheet material | John G. Hollick, Donald B. McIlvin, Frederick S. Sillars | 1982-08-17 |