Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538258 | Apparatus for curing floor coating | Michael Rau, Kenneth A. Kaczmarz, Ronald A. Shelk, Jerome E. Rau | 2003-03-25 |
| 6163915 | Control system for floor care machine | Kenneth A. Kaczmarz, Brock E. Robinson, John B. Payson | 2000-12-26 |