Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5327931 | Flush valve leakage prevention and detection device | Gerald S. Gelfeld | 1994-07-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5327931 | Flush valve leakage prevention and detection device | Gerald S. Gelfeld | 1994-07-12 |