Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7914277 | Heater housing and heater for plastic injection machine nozzle | Arthur Burrows, Daniel Haselden | 2011-03-29 |
| 4715087 | High speed floor burnisher | Gary E. Palmer | 1987-12-29 |
| 4701976 | High speed floor burnisher | Gary E. Palmer | 1987-10-27 |
| 4638523 | Air guard diffuser | — | 1987-01-27 |
| 4631775 | High speed floor burnisher | Gary E. Palmer | 1986-12-30 |
| 4393534 | Floor cleaning and polishing machine | Jeffrey A. Lee | 1983-07-19 |
| 4365377 | Floor polishing machine | Jeffrey A. Lee | 1982-12-28 |
| 4210978 | Automatic carpet cleaning machine | Richard C. Johnson, Otto R. Kafer | 1980-07-08 |
| 4196492 | Automatic carpet cleaning machine | Richard C. Johnson, Otto R. Kafer | 1980-04-08 |