Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664499 | Tube and duct trim machine | Noel A. Spishak, Daniel L. Nydegger, Stephen L. Sembritzky, William R. Schell, David M. Kozy +2 more | 2003-12-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664499 | Tube and duct trim machine | Noel A. Spishak, Daniel L. Nydegger, Stephen L. Sembritzky, William R. Schell, David M. Kozy +2 more | 2003-12-16 |