YALE LOCK MANUFACTURING COMPANY V. SARGENT, 117 U. S. 373 (1886)Subscribe to Cases that cite 117 U. S. 373
U.S. Supreme Court
Yale Lock Manufacturing Company v. Sargent, 117 U.S. 373 (1886)
Yale Lock Manufacturing Company v. Sargent
Argued March 15-16, 1886
Decided March 29, 1886
117 U.S. 373
The feature of varying eccentricity in the rollers is an essential part of the invention protected by letters patent No. 98,622 granted to James Sargent, January 4, 1870, for an improvement in permutation locks.
The case is stated in the opinion of the Court.