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Patent applications and USPTO patent grants for Karbo; Richard S..The latest application filed is for "diaphragm valve with multiple pivot axis valve element".
Patent | Date |
---|---|
Diaphragm valve with multiple pivot axis valve element Grant 4,336,918 - Karbo June 29, 1 | 1982-06-29 |
In-line shut-off valve Grant 4,173,328 - Karbo November 6, 1 | 1979-11-06 |
Arrowhead With Removable Blades Grant 3,741,542 - Karbo June 26, 1 | 1973-06-26 |
Bow Quiver Grant 3,591,062 - Karbo July 6, 1 | 1971-07-06 |
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