Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D622350 | Regulatory valve | Gerald Gramegna | 2010-08-24 |
| D585959 | Regulator valve | Gerald Gramegna | 2009-02-03 |
| D577103 | Regulator valve | Gerald Gramegna | 2008-09-16 |
| D566234 | Regulator valve | Gerald Gramegna | 2008-04-08 |