Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10264939 | Rotary surface cleaning tool | Roy Studebaker, William Bruders, Brett Bartholmey, Bill Elmer Richardson | 2019-04-23 |
| 9107557 | Rotary surface cleaning tool | Roy Studebaker, William Bruders, Brett Bartholmey, Bill Elmer Richardson | 2015-08-18 |