Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6925916 | Two stage punch press actuator with output drive shaft position sensing | Robert L. Hughes, Edward L. Schwarz | 2005-08-09 |
| 6418824 | Two stage punch press actuator with output drive shaft position sensing | Robert L. Hughes, Edward L. Schwarz | 2002-07-16 |