Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10501989 | Bucket holder for extension and step ladders | Kelly J. McDonough, Daniel J. Stowell | 2019-12-10 |
| 7919001 | Water purification system and method using reverse osmosis reject stream in an electrodeionization unit | William Haas, Abel Queen | 2011-04-05 |
| 7470366 | Water purification system and method using reverse osmosis reject stream in an electrodeionization unit | Abel Queen, William Haas | 2008-12-30 |
| D409460 | Bi-functional rake | — | 1999-05-11 |