Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4233765 | Frame for securing flexible sheets of material | Paul R. Hahn | 1980-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4233765 | Frame for securing flexible sheets of material | Paul R. Hahn | 1980-11-18 |