Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4711607 | High speed auger venturi system and method for conveying bulk materials | Joseph Mraz | 1987-12-08 |
| 4697962 | Control system for a continuous process venturi accelerated pneumatic pump | Richard M. Dunbar, Henry E. Stoiber | 1987-10-06 |