Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6006575 | Reversible mandrel bar assembly | William Anderson, Mark Stewart Seeler | 1999-12-28 |
| 5536050 | Connection for fabricating mandrel bar from used segments | John F. McDermott, Yoni Adonyi, Jerry Hann, Paul M. Albritton | 1996-07-16 |