Ramey & Schwaller wishes to congratulate its client American Sinker Bars on issuance of U.S. Patent Number 10,024,118 B2 titled IMPROVED SINKER BAR on July 17, 2018. The patent relates to specification for Sucker Rods, Polished Rods and Liners, couplings, Sinker Bars, Polished Rod Clamps, Stuffing Boxes, and Pumping Tees from API Specification.
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