Magowan v. New York Belting & Packing Co., 141 U.S. 332 (1891)
U.S. Supreme CourtMagowan v. New York Belting & Packing Co., 141 U.S. 332 (1891)
Magowan v. New York Belting and Packing Company
Argued October 14-15, 1891
Decided October 26, 1891
141 U.S. 332
Letters patent No. 86,290, granted to the New York Belting and Packing Company, as assignee of Dennis C. Gately, the inventor, January 2G, 7809, for "improvements in vulcanized India rubber packing," involved invention, and were valid.
The Gately packing explained in view of prior packings.
The fact considered, that that packing went at once into such an extensive public use as almost to supersede all packings made under other methods, and that it was put upon the market at a price from 15 to 20 percent higher than the old packings, although it cost 10 percent.
In equity to restrain the infringement of letters patent,
and for an account. Decree in complainant's favor, from
which respondent appealed. The case is stated in the opinion.