Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412141 | Upright extraction cleaning machine | Jonathan A. Miner, Timothy E. Kasen, Kenneth M. Lenkiewicz, Eric C. Huffman, Luke E. Kelly | 2002-07-02 |
| 6401294 | Upright extracton cleaning machine with handle mounting | — | 2002-06-11 |
| 6363570 | Upright extraction cleaning machine with illumination | Alan J. Krebs | 2002-04-02 |
| 6286181 | Upright extraction cleaning machine | Jonathan A. Miner, Timothy E. Kasen, Kenneth M. Lenkiewicz, Eric C. Huffman, Luke E. Kelly | 2001-09-11 |
| 6286180 | Upright water extraction cleaning machine pump priming | Eric C. Huffman, Gary L. Smith, Timothy E. Kasen, Luke E. Kelly, Charles A. Reed, Jr. | 2001-09-11 |
| 6230362 | Upright extraction cleaning machine | Timothy E. Kasen, Kenneth M. Lenkiewicz, Luke E. Kelly | 2001-05-15 |
| 6167587 | Upright extraction cleaning machine | Jonathan A. Miner, Timothy E. Kasen, Kenneth M. Lenkiewicz, Eric C. Huffman, Luke E. Kelly | 2001-01-02 |
| 6131237 | Upright extraction cleaning machine | David E. McDowell, Eric J. Hansen | 2000-10-17 |
| D420476 | Water container for a vacuum cleaner | Dean R. Rohn, Mark C. Bates, John C. Costello | 2000-02-08 |
| 5651706 | Collapsible pontoon pedal boat | — | 1997-07-29 |
| 5339487 | Filtering means for a liquid pan assembly for a liquid bath vacuum cleaner | — | 1994-08-23 |
| D347305 | Vacuum cleaner nozzle | Dean R. Rohn, Daniel M. Laramie | 1994-05-24 |
| 5255768 | Cord winder apparatus for a vacuum cleaner system | Dean R. Rohn | 1993-10-26 |
| 5125129 | Intake nozzle assembly for a liquid bath vacuum cleaner | Richard Harmon | 1992-06-30 |
| 5096475 | Separator for a vacuum cleaner system | Roy O. Erickson, Jr., Dean R. Rohn, Steven R. Selewski, Craig Cummins | 1992-03-17 |
| 5090974 | Separator for a vacuum cleaner system | Roy O. Erickson, Jr., Dean R. Rohn, Steven R. Selewski, Craig Cummins | 1992-02-25 |
| 5030257 | Separator for a vacuum cleaner system | Roy O. Erickson, Jr., Dean R. Rohn, Steven R. Selewski, Craig Cummins | 1991-07-09 |
| 5022115 | Intake nozzle assembly for a liquid bath vacuum cleaner | — | 1991-06-11 |
| 4993104 | Electrical safety interlock and pulse-type reset circuit for a vacuum cleaner system | Jeffrey R. Kassien, Dean R. Rohn | 1991-02-19 |
| 4825502 | Device for visual inspection of fluid flow | William H. Armstrong, Peter E. Linder, Dean R. Rohn | 1989-05-02 |
| 4485518 | Wet-dry vacuum cleaning apparatus | — | 1984-12-04 |