Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10780541 | Vacuum dust extraction apparatus for a percussive air tool | Robert Arthur, James R. Arthur, Jr., Nicholas James Russell | 2020-09-22 |
| 10759013 | Dust containment apparatus for an air tool vacuum dust extraction system | Robert Arthur, Nathaniel P. Wenzel, Nicholas James Russell | 2020-09-01 |