Gear Grinding MacHine Co. v. Stuber

In 1928, Alfred Rzeppa secured a patent for an improvement in a constant velocity universal joint, and entered into a license agreement with plaintiff whereby it became entitled to the use of the patent and all improvements in universal joints thereafter invented by Rzeppa. He also became associated with plaintiff for the purpose of developing and perfecting the universal joint so that plaintiff might commercially produce it. Rzeppa later was granted additional patents for universal joints on applications filed by Mm in August, 1929, and June, 1933. After taking out Ms first patent Rzeppa bad…