Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061390 | Pipe hanger system with slidable pipe connection member | Frank D. Julian, Truman J. Stegmaier | 2011-11-22 |
| RE42909 | Knock-out pressure test cap with breakaway nipple plug | Frank D. Julian | 2011-11-15 |