Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898272 | Conveyor belt support mechanism | R. Todd Swinderman, Larry J. Goldbeck | 1990-02-06 |
| 4825997 | Pneumatically actuated tensioning arrangement for conveyor belt cleaner | Larry J. Goldbeck, Richard P. Stahura, Mark N. Stern | 1989-05-02 |
| 4359150 | Conveyor belt cleaner | Steven Frank, Richard P. Stahura, Robert Todd Swinderman | 1982-11-16 |