OPINION AND ORDER
CONNER, District Judge:
The parties and issues
This is an action for alleged infringement of U.S. Patent No. 2,873,639 which was issued on February 17, 1959 to Clair O. Musser for a toy piano.
The patent was assigned to and is owned by plaintiffs George Lerner and Julius Ellman, who are residents of the New York City area associated in the business of designing and developing toys and licensing others to manufacture...
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