Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5064010 | Speed and steering control for scrubbers and the like | Richard D. Masbruch | 1991-11-12 |
| 4866804 | Quick connect/disconnect for a surface cleaning machine | Richard D. Masbruch | 1989-09-19 |