Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731898 | Brush speed indicator | John F. Sovis, Michael F. Wright, Scott B. Richards | 1988-03-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731898 | Brush speed indicator | John F. Sovis, Michael F. Wright, Scott B. Richards | 1988-03-22 |