Issued Patents All Time
Showing 1–25 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7203991 | Portable cleaning machine | Ronald J. Stephens, Gary M. Johns, David W. Moine | 2007-04-17 |
| D497694 | Mechanical sweeper | Peter Ho Ka Nam | 2004-10-26 |
| D475492 | Suction nozzle for an upright extractor | Richard R. Tucker | 2003-06-03 |
| D473981 | Upper portion for an upright extractor | — | 2003-04-29 |
| D469938 | Base for an upright extractor | Richard R. Tucker | 2003-02-04 |
| D469228 | Tool caddy for a cleaner | Timothy B. Hisrich | 2003-01-21 |
| D463635 | Extractor base module hood | — | 2002-09-24 |
| D461286 | Medial front portion of a suction nozzle | — | 2002-08-06 |
| D455851 | Headlight for a carpet extractor | — | 2002-04-16 |
| D449701 | Headlight for a carpet extractor | — | 2001-10-23 |
| D445206 | Headlight for a carpet extractor | — | 2001-07-17 |
| 6260233 | Removable hose and tool caddy for a vacuum cleaner | David M. J. Allgeier, Nick M. Bosyj, Arne J. Diehl, Douglass A. King, Keith G. Minton +1 more | 2001-07-17 |
| 6237189 | Vacuum cleaner suction nozzle configuration | Edgar A. Maurer, David W. Moine, Kurt D. Harsh, Kenneth L. Symensma | 2001-05-29 |
| D434887 | Vacuum cleaner nozzle | — | 2000-12-05 |
| D434886 | Vacuum cleaner tool caddy | David M. J. Allgeier, Keith G. Minton | 2000-12-05 |
| D431334 | Vacuum cleaner lower portion | Ronald J. Stephens, Sidney H. Bradd | 2000-09-26 |
| D431333 | Front medial portion of a vacuum cleaner nozzle | Ronald J. Stephens, Sidney H. Bradd | 2000-09-26 |
| D428223 | Surface configuration of a medial front portion of a suction nozzle | David W. Moine | 2000-07-11 |
| D426688 | Vacuum cleaner upper portion | David W. Moine, Douglas C. Barker, Lynn A. Frederick, John D. Essex | 2000-06-13 |
| D425272 | Vacuum cleaner nozzle | — | 2000-05-16 |
| 6006402 | Vacuum cleaner suction nozzle configuration | Edgar A. Maurer, David W. Moine, Kurt D. Harsh, Kenneth L. Symensma | 1999-12-28 |
| 5970576 | Vacuum cleaner height adjustment | Edgar A. Maurer, Kurt D. Harsh, Michael W. Crine | 1999-10-26 |
| 5943732 | Door valve for utility vacuum cleaners | Nick M. Bosyj, Donald R. Bowers, Nicholas Koukourakis, Conway Vincent, Darwin S. Crouser | 1999-08-31 |
| D412380 | Vacuum cleaner lower portion | — | 1999-07-27 |
| D412379 | Vacuum cleaner upper portion | Ronald J. Stephens, Sidney H. Bradd | 1999-07-27 |