Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362191 | Woven slide-fastener stringer | Alfons Frohlich | 1982-12-07 |
| 4334556 | Woven slide fastener stringer | Alfons Frohlich | 1982-06-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362191 | Woven slide-fastener stringer | Alfons Frohlich | 1982-12-07 |
| 4334556 | Woven slide fastener stringer | Alfons Frohlich | 1982-06-15 |