Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4627646 | Pipe fitting | — | 1986-12-09 |
| 4411599 | Drain fitting with built-in pump | — | 1983-10-25 |
| 4275760 | Trap-type drain with built-in strainer | — | 1981-06-30 |
| 4263138 | Trap-type drain fitting | — | 1981-04-21 |
| 4259983 | Cleanout fitting with lockable and removable check valve | — | 1981-04-07 |
| 4198717 | Modular assembly for drain trap | — | 1980-04-22 |