Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9568120 | Flush joint pipe | John M. Coogan, John R. Stott, Gary A. Leigh, Joshua E. Clapper | 2017-02-14 |
| 9200732 | Flush joint pipe | John M. Coogan, John R. Stott, Gary A. Leigh, Joshua E. Clapper | 2015-12-01 |