Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6216963 | Device for regulating speed of deployment of sprinkler heads in preactive sprinkler systems | Stanley J. Zielinski | 2001-04-17 |
| 5921322 | Device for regulating speed of deployment of sprinkler heads in preactive sprinkler systems | Stanley J. Zielinski, Joseph J. Roling | 1999-07-13 |