King v. Gannon

Prior to May 25, 1926, the plaintiffs, as co-partners, and the defendant John M. Gannon, as competitor, were engaged in the business of manufacturing and selling tin tub cover fasteners. Gannon manufactured almost exclusively the turned over end type of fasteners. In 1918, he engaged the services of the defendant Fraser to draw plans, design and build a special machine by which the fasteners might be made. Fraser built a machine which when completed automatically cut the tin in proper size, put the nails in the same, and folded over the ends of the tin to retain the nails: No patent on this…