Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11713966 | Conduit level method and apparatus | — | 2023-08-01 |
| PP33383 | Walnut tree names 'wolfskill' | Charles Leslie, Gale McGranahan | 2021-08-24 |
| 10626693 | Method for pulling a crown plug | John Keith Caulfield | 2020-04-21 |
| 10036225 | Method and apparatus for pulling a crown plug | John Keith Caulfield | 2018-07-31 |
| 9291016 | Method for pulling a crown plug from a subsea tree | John Keith Caulfield | 2016-03-22 |
| 8869899 | Method for pulling a crown plug | John Keith Caulfield | 2014-10-28 |
| 7631435 | Bricklaying method and apparatus for plumbing control joints | — | 2009-12-15 |