Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8317049 | Vacuum breaker arrangement with externally protruding collapsible valve part | Thomas C. Piotrowski | 2012-11-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8317049 | Vacuum breaker arrangement with externally protruding collapsible valve part | Thomas C. Piotrowski | 2012-11-27 |