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Allen J. Owings — 2 Patents

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2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4430892	Pressure loss identifying apparatus and method for a drilling mud system	—	1984-02-14
4346594	Method for locating the depth of a drill string washout or lost circulation zone	—	1982-08-31