Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6167586 | Upright water extraction cleaning machine with improved tank structure | Timothy E. Kasen, Luke E. Kelly, Gary L. Smith, Eric R. Metzger | 2001-01-02 |
| 6158081 | Water extraction cleaning machine with variable solution mixing valve | Timothy E. Kasen, Eric C. Huffman | 2000-12-12 |
| 6134744 | Upright water extraction cleaning machine | Timothy E. Kasen, Luke E. Kelly, Gary L. Smith, Eric R. Metzger | 2000-10-24 |
| 6125498 | Handheld extraction cleaner | Kenneth L. Roberts, Diane M. Simek, Jeffrey A. Hall, Eric C. Huffman, Steven K. Meek +2 more | 2000-10-03 |
| 6041472 | Upright water extraction cleaning machine | Timothy E. Kasen, Luke E. Kelly, Gary L. Smith, Eric R. Metzger | 2000-03-28 |
| 5937475 | Water extraction cleaning machine with variable solution mixing valve | Timothy E. Kasen | 1999-08-17 |
| 5896617 | Water extraction cleaning machine with nesting tank assembly | Timothy E. Kasen, Stephen J. Simpson, Luke E. Kelly | 1999-04-27 |
| 5867861 | Upright water extraction cleaning machine with two suction nozzles | Timothy E. Kasen, Stephen J. Simpson, Luke E. Kelly, Michael R. Blase, by Gloria R. Blase, legal representative | 1999-02-09 |
| 5297312 | Cleaning appliance with agitation member mounting bracket | Marc D. Zuiderveen, Scott R. Graham | 1994-03-29 |
| D333891 | Filter for a vacuum cleaner | Charles Z. Krasznai, Richard B. Kosten, Maurice A. Melito, Jr. | 1993-03-09 |
| D330824 | Wall mounting storage bracket for a vacuum cleaner and attachments | Richard B. Kosten, Robert Osit | 1992-11-10 |
| 5134751 | Hand-held vacuum cleaner | Charles Z. Krasznai, Richard B. Kosten, Robert Osit | 1992-08-04 |
| 5105505 | Hand-held vacuum cleaner | — | 1992-04-21 |