Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D517172 | Sillcock valve | Peter D. Berkman | 2006-03-14 |
| D516678 | Hose bib valve | Peter D. Berkman | 2006-03-07 |
| D516679 | Hose bib valve body | Peter D. Berkman | 2006-03-07 |
| 6880573 | Frost free valve assembly | Peter D. Berkman, Ralph Mieseler, Igor Alzares | 2005-04-19 |
| D503216 | Valve handle | Peter D. Berkman | 2005-03-22 |
| D499172 | Ball valve body | Peter D. Berkman | 2004-11-30 |
| D486204 | Ball valve body | Peter D. Berkman | 2004-02-03 |
| D472962 | Valve handle | Peter D. Berkman | 2003-04-08 |