Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5821504 | Induction heating system for 360.degree. curing of can body coatings | Barbara Sprenger, Robert A. Sprenger | 1998-10-13 |
| 4815666 | Powder spray gun for quick color changes systems | Thomas E. Hollstein, John C. A. Traylor | 1989-03-28 |