U.S. Circuit Court for the District of Western Pennsylvania November 15, 1871 (M'Millin v. Barclay)

McKENNAN, Circuit Judge.

June 9, 1855, John S. M’Millin, one of the complainants, filed a caveat in the patent office; and, on the 23d of July following, an application for a patent for a new and useful improvement in applying steam-power to the capstans of steamboats and other crafts.