Court of Appeals for the Sixth Circuit January 10, 1925, 4065, 4070, 4071 (S. S. Kresge Co. v. Champion Spark Plug Co.)

KNAPPEN, Circuit Judge.

This suit is for infringement of claims 1, 3, and 6 of patent No. 1,180,799, April 25, 1916, to Stranahan, assignor to plaintiff, on spark plugs for internal combustion engines, and for alleged unfair competition in the sale of plugs and cores in imitation of the design, form, dress, and appearance of plaintiff’s plugs.