Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11426789 | Grooved forged carbon steel fitting apparatus and methods of manufacturing the same | Thomas Edward Duncan | 2022-08-30 |
| 10458577 | Grooved forged carbon steel fitting apparatus | Thomas Edward Duncan | 2019-10-29 |
| 4610310 | Fire protection system | Eugene R. Barnett | 1986-09-09 |