Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7882851 | Pressure activated trap primer and water hammer combination | — | 2011-02-08 |
| D601231 | Combination water hammer arrestor and drain trap primer | — | 2009-09-29 |
| D595391 | Combination water hammer arrestor and drain trap primer | — | 2009-06-30 |
| 7520292 | Pressure activated trap primer and water hammer combination | — | 2009-04-21 |
| 6325091 | Water distribution apparatus for multiple sewer drain trap primer systems | Charles H. Perrott | 2001-12-04 |