Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621647 | Method of creating a comprehensive manufacturing, shipping and location history for pipe joints | James A. Ratliff | 1997-04-15 |
| 5491637 | Method of creating a comprehensive manufacturing, shipping and location history for pipe joints | James A. Ratliff | 1996-02-13 |