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Patent applications and USPTO patent grants for Lybecker; Robert W..The latest application filed is for "safety shutdown circuit for pneumatic pump system".
Patent | Date |
---|---|
Safety shutdown circuit for pneumatic pump system Grant 5,174,722 - Lybecker December 29, 1 | 1992-12-29 |
Method for mounting gate opener Grant 4,850,094 - Lybecker July 25, 1 | 1989-07-25 |
Modular automatic gate opener Grant 4,638,597 - Lybecker January 27, 1 | 1987-01-27 |
Drill pipe identification method and system Grant 4,202,490 - Gunkel , et al. May 13, 1 | 1980-05-13 |
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