Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8454292 | Method of forming a can end having a moveable portion | Alejandro Saucedo, William A. Kirk, Henry S. Chorzempa | 2013-06-04 |
| 4524879 | Can end pour spout and pull tab construction | William A. Kirk | 1985-06-25 |
| 4399925 | Pouring spout steel can end construction | — | 1983-08-23 |