Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298080 | Method of detecting a missing pad for a floor polishing tool | — | 1994-03-29 |
| 5177828 | Missing pad detector for a floor polishing tool | — | 1993-01-12 |
| D325661 | Battery cart for a carpet sweeper | Alan D. Hutchings | 1992-04-21 |
| D321420 | Floor polishing machine | Eugene L. Bothun | 1991-11-05 |