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John A. Straatmann — 1 Patent

AMAmax: 1 patents #59 of 180Top 35%

Poland, OH: #41 of 94 inventorsTop 45%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4533405	Tubular high strength low alloy steel for oil and gas wells	David L. Sponseller	1985-08-06