Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8156769 | Washer with drive shaft doubling as tub drain path | David I. Ellingson | 2012-04-17 |
| 7900305 | Automatic washing machine with spin drain flow channels and reservoir; wash action tub ramps and cycles | Ellingson David Irwin | 2011-03-08 |
| 7757324 | Automatic washing machine with wash action tub ramps and cycles; spin drain flow channels and reservoir | Ellingson David Irwin | 2010-07-20 |