Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10603724 | Cartesian pipe facer | James R. Perrault, Seth P. Ahrens, William Barton Draeger, Fabiano Tavares de Souza | 2020-03-31 |
| 9604288 | Cartesian pipe facer | James R. Perrault, Seth P. Ahrens, William Barton Draeger, Fabiano Tavares de Souza | 2017-03-28 |
| D623126 | Battery, switch and voltage indicator device | — | 2010-09-07 |