Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854005 | Automatic floor scrubbing machine with squeegee assembly and adjustable wheels | Dexter Lehman | 1989-08-08 |
| 4841595 | Vacuum pump-out system for wet/dry vacuum cleaner | — | 1989-06-27 |