Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33394 | System for inside powder striping of welded food cans | Robert D. Payne, Wesley J. Szpitalak | 1990-10-23 |
| 4205621 | System for inside powder striping of welded food cans | Robert D. Payne, Wesley J. Szpitalak | 1980-06-03 |