Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11123800 | Pipe edge preparation tool | Timothy G. Freidhoff, Brock T. Golesich, Paul I. Sleppy | 2021-09-21 |
| 11077517 | Portable friction stir welding repair tool | Mark. T. Smitherman, Timothy G. Freidhoff, Paul I. Sleppy, James C. McHenry, Alan W. Baum | 2021-08-03 |