Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6253909 | Modular power roller conveyor | W. Scott Kalm, Keith Joseph Corrigan | 2001-07-03 |
| 5582286 | Modular power roller conveyor | W. Scott Kalm, Keith Joseph Corrigan | 1996-12-10 |