Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10632586 | Two speed multi head wood floor sanding system | Shawn Wright | 2020-04-28 |
| 8251780 | Floor grinding machine and grinding head unit therefor | Willis D. Ward, John E. Smith | 2012-08-28 |
| 8147297 | Surface grinding machine and grinding head therefor | John E. Smith, Willis D. Ward | 2012-04-03 |
| 6353957 | Floor maintenance machine including gearbox arrangement | Jack Wolfe, Mike Travers Chappell | 2002-03-12 |