Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4290578 | Failsafe cutoff valve for oil and gas wells | Louis L. Lutich, Jesse W. Harris | 1981-09-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4290578 | Failsafe cutoff valve for oil and gas wells | Louis L. Lutich, Jesse W. Harris | 1981-09-22 |