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Pulse Jet Thrust Engine Patent Print - Old Look Patent Title: Pulse Jet Thrust Engine Inventor Name: Black Leroy E; Marks Charles...read more
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Pulse Jet Thrust Engine Patent Print - Old Look Patent Title: Pulse Jet Thrust Engine Inventor Name: Black Leroy E; Marks Charles B; Tenney William L Year Issued: February 26 1952 Item Number: 14516 Reprint of original Patent Patent is pri...