GALSTON, District Judge.
This is a patent suit brought for the alleged infringement of letters patent No. 1,753,310, issued April 8, 1930, to Henry O. Costello for an exercising ball and support therefor. The infringement is denied and invalidity alleged in the answer.
The invention relates to an exercising device which consists of a flexible head-band adapted to be adjusted to the head of the user of the apparatus, from which is suspended an inflated ball...
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