Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8397747 | Balanced water-intake control valve | — | 2013-03-19 |
| 6823890 | Water-intake control valve | — | 2004-11-30 |
| 5681058 | Assembly for joining a pipe to a pipe fitting | — | 1997-10-28 |
| 4997320 | Tool for forming a circumferential projection in a pipe | — | 1991-03-05 |
| 4796650 | Structure for a float valve assembly | — | 1989-01-10 |
| 4792160 | Structure for pipe fittings | — | 1988-12-20 |