Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4385728 | Flow-amplifying nozzle | Joseph E. Peter | 1983-05-31 |
| 4305339 | Vortex tube assembly for cooling sewing machine needle | — | 1981-12-15 |
| 4240261 | Temperature-adjustable vortex tube assembly | — | 1980-12-23 |
| 4195780 | Flow amplifying nozzle | — | 1980-04-01 |