MAJOR, Chief Judge.
This appeal is from a judgment entered February 21, 1951, adjudging invalid claims 2 and 4 of United States Letters Patent No. 2,267,973, issued to Andrew Demcak December 30, 1941, on an examining table for the use of physicians and surgeons.
The action was commenced by plaintiff as owner of the patent by assignment from Demcak and charged infringement by the defendant, Illinois Surgical Supply Company. This defendant admitted sale of the...
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