Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5327931 | Flush valve leakage prevention and detection device | Gerald S. Gelfeld | 1994-07-12 |
| 5232011 | Flush valve leakage prevention and detection device | — | 1993-08-03 |
| 5207758 | Method of manufacturing a wreath | — | 1993-05-04 |