Butterfly Valve Seal
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2026-08-11
ALEXANDRIA, Virginia, Aug. 11 -- FISHER CONTROLS INTERNATIONAL LLC, Marshalltown, Iowa has been assigned a patent (No. US 12704182 B2, initially filed Sept. 24, 2024) developed by Bryan Leger, Marshalltown, Iowa, and Wade Helfer, Marshalltown, Iowa, for "Butterfly valve seal." . . .
