Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11351486 | Internal reticulated foam filter for a water filtration tank | — | 2022-06-07 |
| D905198 | External self-contained water filter with direct mounting | — | 2020-12-15 |
| 7412940 | Cover and method for constructing same | Jerry W. Kimball, Michael T. Welch | 2008-08-19 |
| 5788011 | Foldable ladder | Stewart Alexander Murray, Tim Kohrman | 1998-08-04 |
| 5727478 | Pop-up table assembly | Brian Rahn, George A. Corder, David P. Piontek, Brett Schihl | 1998-03-17 |
| 5715549 | Sink assembly enclosed within drawer | David P. Piontek | 1998-02-10 |