Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7281546 | Thread protection system with weather barrier | Robert Gibbens, James G. Kelley | 2007-10-16 |
| 6363598 | Method of assembling pipe joints | John J. Staudt, Charles L. Ashby | 2002-04-02 |