Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8790164 | Method, system, and apparatus for modifying surfaces | Allen J. Rivard | 2014-07-29 |
| 8469775 | Conversion assemblage adaptable for use in combination with a surface modifying apparatus and method thereof | David R. Dow, Allen J. Rivard, John G. Petersen | 2013-06-25 |
| 8052506 | Method, system, and apparatus for modifying surfaces | Allen J. Rivard | 2011-11-08 |
| 7731573 | Method, system, and apparatus for modifying surfaces | Allen J. Rivard | 2010-06-08 |
| 6761746 | Sanding disc | Larry D. Rich | 2004-07-13 |
| 6530830 | Sanding disc | Larry D. Rich | 2003-03-11 |
| 6261164 | Multiple abrasive assembly and method | Allen J. Rivard, Chris A. Minick | 2001-07-17 |
| 6234886 | Multiple abrasive assembly and method | Allen J. Rivard, Chris A. Minick | 2001-05-22 |