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Patent applications and USPTO patent grants for Bays; Marvin G..The latest application filed is for "track-type carriage system for heavy vehicles".
Patent | Date |
---|---|
Track-type carriage system for heavy vehicles Grant 6,164,399 - Bays December 26, 2 | 2000-12-26 |
Inclinable vibratory seismic source Grant 4,853,907 - Bays August 1, 1 | 1989-08-01 |
Valve means for compressed air powered acoustic pulse generator Grant 4,485,889 - Bays December 4, 1 | 1984-12-04 |
Air release control in seismic energy source air gun Grant 4,230,201 - Bays October 28, 1 | 1980-10-28 |
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