Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10041488 | Pump roller assembly with independently sprung rollers | Gary P. Sorensen, Gregory S. Layser, Mel Matthew Oliveira | 2018-08-07 |
| 9624921 | Pump roller head with pivoting rollers and spring arms | Gary P. Sorensen, Gregory S. Layser, Mel Matthew Oliveira | 2017-04-18 |