CAMPBELL, District Judge.
This is a suit for the alleged infringement of patent No. 1,307,734, issued to Arthur V. Gullborg, for lubricating means, dated June 24, 1919, on an application filed December 21, 1918; and patent No. 1,475,980, issued to Oscar Zerk, assignor to the Allyne-Zerk Company, of Cleveland, Ohio, for lubricating apparatus, dated December 4, 1923, on an application filed November 21, 1922.
The title to each of these patents is vested in the...
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