MARKEY, Chief Judge.
Appeal from a judgment of the District Court for the Middle District of Tennessee holding U.S. Patent No. 3,182,511 ('511 patent) valid and finding claims 1, 2, and 5 of that patent infringed by Nortron Corporation (Nortron). We affirm.
BACKGROUND
The inventors are Federn, Geiss, and Seibert, who assigned the '511 patent to Carl Schenck, A.G. (Schenck). As assignee, Schenck sued Nortron, R.H. Scales Co. (Scales), and Myers...
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