Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5716260 | Apparatus and method for cleaning and restoring floor surfaces | Terry J. Klos, John J. Rolando, Arthur Luedtke, Paulette D. Stolte | 1998-02-10 |
| 5439411 | Surface treating apparatus and method | — | 1995-08-08 |