Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7828632 | Floor finishing machine | — | 2010-11-09 |
| 7261623 | Wood floor sanding machine | — | 2007-08-28 |
| 7094140 | Abrasive sanding surface | Howard Goldberg | 2006-08-22 |
| 6860794 | Method of polishing concrete surfaces | Horst J. Finkenauer | 2005-03-01 |
| 6752707 | Wood floor sanding machine | — | 2004-06-22 |
| 6616517 | Wood floor sanding machine | — | 2003-09-09 |
| 6595838 | Wood floor sanding machine | Steven L. Permut | 2003-07-22 |