SWAN, Circuit Judge.
This is a patent infringement suit based on the Pacz patent, No. 1,410,499, owned by General Electric Company. The patent issued March 21, 1922, on an application filed February 20, 1917. It relates to tungsten filaments for incandescent lamps, and contains both process and product claims; but only product claims are involved in the present litigation. The defendants are charged with selling lamps having filament (purchased by them for assemblage...
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