Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4386713 | Full opening steel can end construction | Karl O. Frentzel, William A. Kirk, Gary L. Manack, Jr. | 1983-06-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4386713 | Full opening steel can end construction | Karl O. Frentzel, William A. Kirk, Gary L. Manack, Jr. | 1983-06-07 |