Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5927333 | Ball valve cartridge for a mixing valve | — | 1999-07-27 |
| 5228625 | Sprinkler head | — | 1993-07-20 |
| 5058860 | Pair of hard material plates for a faucet of the screw type, having an extended control field | — | 1991-10-22 |
| 5018553 | Single-handle mixer valve with a ball-type valving member | Alfons Knapp | 1991-05-28 |
| 4676270 | Single handle mixing valve incorporating a cartridge and a reversing piston | Alfons Knapp | 1987-06-30 |