ALDRICH, Chief Judge.
This is an action for infringement of Anderson Patent No. 3,315,548, dated April 25, 1967, now Re. 26,676. Plaintiff, owner, is Contour Saws, Inc.; defendant, The L. S. Starrett Company. The patent is for a method of making a bimetal band saw blade having a low alloy base with tooth tips of high speed tool steel. The principal defense is invalidity. The district court found the patent valid and infringed, and defendant appeals.
A metal...
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