GALSTON, District Judge.
This is a patent infringement suit in which infringement is alleged of letters patent No. 1,813,940 for a ruling machine granted July 14, 1931, on an application filed on September 17, 1921, and of patent No. 1,609,648 for a ruling apparatus granted December 7, 1926, on an application filed August 3, 1923. The inventor of these devices is Harmon E. Lindbladh, plaintiff's assignor.
The inventions covered by these patents relate to improvements...
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