Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6735811 | Cleaning liquid dispensing system for a hard floor surface cleaner | Bruce F. Field, Joseph K. Krueger, Bryan Christensen, Richard Mark Pierce | 2004-05-18 |
| 6585827 | Apparatus and method of use for cleaning a hard floor surface utilizing an aerated cleaning liquid | Bruce F. Field, Earl Krueger, Bryan Christensen, Michael L. Blehert | 2003-07-01 |