CAMPBELL, District Judge.
This is an action in equity for the alleged infringement of patent No. 1,089,907, dated March 10, 1914, issued to William D. Coolidge, assignor to General Electric Company, for electrical contact, on original application filed March 20, 1912, divided and this application filed December 17, 1912.
The defenses are invalidity and noninfringement. The question of title is not raised.
In the bill of complaint four other patents...
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