Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344546 | Reusable tight head drum by conversion to open head drum | — | 1982-08-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344546 | Reusable tight head drum by conversion to open head drum | — | 1982-08-17 |