Thomson-Houston Electric Co. v. Union Ry. Co.
Opinion of the Court
The patent has been adjudicated in this circuit, and the claims declared on have been sustained. The defendant in that suit has acquiesced in the validity of the patent, and taken licenses. The validity of the patent is not assailed here, and the manufacturer of the very trolleys operated by defendants in both these suits, the Nuttall Company, has itself conceded validity, and taken licenses. The situation, therefore, is closely analogous to that in Campbell Printing-Press & Manuf'g Co. v. Manhattan Ry. Co., 49 Fed. 930. Ten cars now in use on the Union Railway and four ears on the White Plains road have, or had, the
Case-law data current through December 31, 2025. Source: CourtListener bulk data.