HARRIS, District Judge.
Plaintiff, a manufacturer of heating equipment and assignee of a patent assigned by Edward A. Norman, Jr., brings this action against defendant also a manufacturer of heating equipment, for alleged infringement of plaintiff's letters patent No. 2,540,280 and unfair competition.
Plaintiff's assignor developed the Norman furnace in 1947 after analyzing various types of forced air heaters then in use in housing developments. He embodied...
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