Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6968593 | Hand-held deep cleaner | Kenneth M. Lenkiewicz, Alan J. Krebs, Phong Hoang Tran, Gary A. Kasper, Eric C. Huffman +2 more | 2005-11-29 |
| 6412141 | Upright extraction cleaning machine | Gary A. Kasper, Timothy E. Kasen, Kenneth M. Lenkiewicz, Eric C. Huffman, Luke E. Kelly | 2002-07-02 |
| 6286181 | Upright extraction cleaning machine | Gary A. Kasper, Timothy E. Kasen, Kenneth M. Lenkiewicz, Eric C. Huffman, Luke E. Kelly | 2001-09-11 |
| 6167587 | Upright extraction cleaning machine | Gary A. Kasper, Timothy E. Kasen, Kenneth M. Lenkiewicz, Eric C. Huffman, Luke E. Kelly | 2001-01-02 |