ABRUZZO, District Judge.
This is a suit based upon United States letters patent No. 1,834.070, issued December 1, 1931, for what is known as an "instantaneous" or "tankless" water heater.
The plaintiff Parkinson Heater Corporation is the owner of the patent in suit, and the plaintiff Parkinson Heating Appliances, Inc., is the exclusive licensee under the patent in suit in certain territory, particularly that territory embraced by the Eastern District of New...
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