McKAY MACHINE CO. v. RODMAN

C. J. Rodman,

hereinafter referred to as defendant, invented and patented a process to manufacture bathtubs from a lighter gauge steel plate than was ordinarily used for making bathtubs by welding a series of steel strips (laminates) to the bottom of the lighter gauge tub. In so doing defendant obtained the same stability found in the heavier gauge pressed steel tub. However, defendant discovered, through experimentation with single spot welding equipment, that, when...