Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275042 | Variable gate flow analyzing method and apparatus | Douglas T. Carson, Larry Lee Fritz, Lowell Robert Nickolaus | 1994-01-04 |
| 4810172 | Gas-operated positive displacement pump | Robert R. Fiedler | 1989-03-07 |