Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8590066 | Offset outlet flush valve | David Nichols-Roy, Dennis D. Woods | 2013-11-26 |
| 7661438 | Water saver fill valve and assembly | David Nichols-Roy, Dennis D. Woods | 2010-02-16 |
| 7636958 | Flush valve with adjustable overflow tube and method for installing a toilet valve | David Nichols-Roy | 2009-12-29 |
| 6192526 | Top mounted flush valve for a toilet tank | David Nichols-Roy | 2001-02-27 |