Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4559610 | Gas pumping system analog | Cecil R. Sparks, Carl E. Edlund | 1985-12-17 |
| 4475168 | Performance indicator for compressor analogs | — | 1984-10-02 |
| 4429371 | Relative horsepower indicator | — | 1984-01-31 |
| 4419624 | Apparatus for phase measurement | — | 1983-12-06 |
| 4419735 | Signal source for compressor analog | — | 1983-12-06 |