DUFFY, District Judge.
This is a patent suit charging infringement of Claims 2 and 4 of Reissue Letters Patent No. 18,944, issued September 12, 1933.
The plaintiff Beazley Power Mower Company is the owner of the patent. The plaintiff Whirlwind Lawn Mowers Sales Corporation, now known as Whirlwind Lawn Mower Corporation, is the exclusive licensee.
The defense is invalidity and non-infringement. Under the first heading the defendants challenge the legality...
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