MANTON, Circuit Judge.
Appellant sues for infringement of patents No. 1,658,804, claims 1, 2, 4, 5, 6, 7, 8, 9, 10, and 11, and No. 1,658,805, claims 1 to 16, inclusive. The patents were issued February 14, 1928, and relate to the neutralization of capacity coupling, in whole or in part, of vacuum tubes employed in the circuits of a radio receiver. They are claimed to be optional divisions of an original application filed December 15, 1922. Divisional application...
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