Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7290557 | Drain line adapter air gap fitting | — | 2007-11-06 |
| 6971400 | Air gap apparatus | Steven B. Norvell | 2005-12-06 |
| 6651272 | Reject water drain line installation system and apparatus for under sink reverse osmosis filter system | — | 2003-11-25 |
| 6193879 | Reject water drain line installation system and apparatus for under sink reverse osmosis filter system | — | 2001-02-27 |
| 5944985 | Reject water drain line installation system and apparatus for under sink reverse osmosis filter system | — | 1999-08-31 |
| 5681459 | Refect water drain line installation system and apparatus for under sink reverse osmosis filter system | — | 1997-10-28 |
| 5635058 | Reject water drain line installation system and apparatus for under sink reverse osmosis filter system | — | 1997-06-03 |
| 5449456 | Reject water drain line installation system and apparatus for under sink reverse osmosis filter system | — | 1995-09-12 |