Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9486884 | Excess flow valve with flexible sealing member | Joseph P. Schutte, David C. Tisch, Ronald D. Green, Timothy David Mulligan | 2016-11-08 |
| 9383025 | Excess flow valve with cage | Earl David Forrest, Nathaniel Faltin Dutton Schultz, David C. Tisch | 2016-07-05 |