Lovell Manufacturing Co. v. CaryAnnotate this Case
147 U.S. 623 (1893)
U.S. Supreme Court
Lovell Manufacturing Co. v. Cary, 147 U.S. 623 (1893)
Lovell Manufacturing Company v. Cary
Argued January l7-18, 1893
Decided March 6, 1893
147 U.S. 623
Letters patent No. 116,266, granted to Alauson Gary, as inventor, June 27, 1871, for an improvement in modes of tempering springs, are invalid, in view of the state of the art, for want of patentable invention.
The invention appears from the specification to be a method of restoring steel wire which has been mechanically strained by subjecting it to a temperature of 600
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