Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4239572 | Method and apparatus for folding and welding the marginal edges of a cover sheet | — | 1980-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4239572 | Method and apparatus for folding and welding the marginal edges of a cover sheet | — | 1980-12-16 |