Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5957153 | Oscillating dual bladder balanced pressure proportioning pump system | Marc Frey | 1999-09-28 |
| 5473967 | Vegetable cutting system | Marc Frey, Peter C. Smith, Darrell B. Brooks | 1995-12-12 |
| 5277546 | Turbine | Richard S. Livermore, John M. Bowie | 1994-01-11 |
| 5179881 | System for producing helical vegetable strips and turbine therefor | Richard S. Livermore, John M. Bowie | 1993-01-19 |
| 4523900 | Impeller pump with self-priming column attachment | — | 1985-06-18 |
| 4335886 | Labyrinth seal with current-forming sealing passages | Paul B. Krebs | 1982-06-22 |