Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7051399 | Cleaner cartridge | Bruce F. Field, Daniel L. Joynt, Jeffrey A. Johnson, Joseph K. Krueger | 2006-05-30 |
| 6735811 | Cleaning liquid dispensing system for a hard floor surface cleaner | Bruce F. Field, Joseph K. Krueger, Richard Mark Pierce, James J. Seifert | 2004-05-18 |
| 6705332 | Hard floor surface cleaner utilizing an aerated cleaning liquid | Bruce F. Field, Michael L. Blehert | 2004-03-16 |
| D485175 | Cleaner cartridge | Bruce F. Field, Daniel L. Joynt, Joseph K. Krueger, Earl Krueger | 2004-01-13 |
| 6662600 | Foamed cleaning liquid dispensing system | Bruce F. Field, Joseph K. Krueger | 2003-12-16 |
| 6585827 | Apparatus and method of use for cleaning a hard floor surface utilizing an aerated cleaning liquid | Bruce F. Field, Earl Krueger, James J. Seifert, Michael L. Blehert | 2003-07-01 |
| 5455985 | Steerable side squeegees | Anthony Hamline, Steven L. Boomgaarden, Gregory J. Engel | 1995-10-10 |