Prokscha; Georg
Patent Applications and Registrations
Patent applications and USPTO patent grants for Prokscha; Georg.The latest application filed is for "three-way valve".
- Prokscha; Georg - Recklinghausen DE
| Patent | Date |
|---|---|
| Three-way valve Grant 4,838,312 - Berchem , et al. June 13, 1 | 1989-06-13 |
| Connector pipe segment Grant 4,804,207 - Berchem , et al. February 14, 1 | 1989-02-14 |
| Ball valve with a ceramic valve ball and ceramic seat rings Grant 4,795,133 - Berchem , et al. January 3, 1 | 1989-01-03 |
| Ball cock with sinter ceramic valve seat and valve ball Grant 4,771,803 - Berchem , et al. September 20, 1 | 1988-09-20 |
| Excavator tooth assembly for earth moving equipment Grant 4,744,158 - Berchem , et al. May 17, 1 | 1988-05-17 |
| Replaceable tooth for a digging and breaking tool Grant 4,711,503 - Berchem , et al. December 8, 1 | 1987-12-08 |
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