Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D674462 | Cleaning solution generator | Robert James Guastella, Michael Andreini, Daniel Paul Longhenry, Jeffrey A. Johnson, Allen John Rapatz +4 more | 2013-01-15 |
| 8029739 | Ultraviolet sanitation device | Bruce F. Field | 2011-10-04 |
| 7172658 | Cleaning liquid dispensing in a mobile hard surface cleaner | Bruce F. Field, Joseph K. Krueger | 2007-02-06 |
| 6671925 | Chemical dispenser for a hard floor surface cleaner | Bruce F. Field, Joseph K. Krueger, Daniel L. Joynt, Daniel J. McHugh | 2004-01-06 |
| 6117200 | Electromagnetic filter cleaning system | David W. Berg, Bruce F. Field | 2000-09-12 |