Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6536499 | Surface finishing apparatus and method | William W. Bollinger, Paul L. McDowell | 2003-03-25 |
| 6234299 | Surface finishing apparatus and method | William W. Bollinger, Paul L. McDowell | 2001-05-22 |
| 5954915 | Surface finishing apparatus | William W. Bollinger, Paul L. McDowell | 1999-09-21 |
| 4870787 | Sanding wheel | — | 1989-10-03 |
| 4744180 | Sanding wheel | — | 1988-05-17 |
| 4696714 | Foil applicator | — | 1987-09-29 |