Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4600444 | Pipe end area cleaning system | — | 1986-07-15 |
| 4442737 | Thread protector wrench | — | 1984-04-17 |
| 4354379 | Methods and apparatus for testing roundness and straightness of pipes and tubings | — | 1982-10-19 |
| 4334788 | Pin action mixing pump | — | 1982-06-15 |
| 4285601 | Drilling mud mixer | — | 1981-08-25 |
| 4244469 | Protective carrying case for drill bits | — | 1981-01-13 |