Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7261535 | Co-injection nozzle | Paul Puniello, Christopher Cavallaro, David Crandall, Douglas C. Hepler | 2007-08-28 |
| 6095789 | Adjustable hot sprue bushing | Douglas C. Hepler, Louis A. Borrelli | 2000-08-01 |