Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11428436 | Motorized gear and coupling system | John E. Hollender, Keith Alsberg | 2022-08-30 |
| 10612813 | Motorized gear and coupling system | John E. Hollender, Keith Alsberg | 2020-04-07 |
| 5103528 | Refrigeration, foam sealing bushing | William J. Olson, James S. Zielinski | 1992-04-14 |