Method
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In patent law. "Engine" and "method" mean the same thing, and may be the subject of a patent. Method, properly speaking, is only placing several things or performing several operations, in the most convenient order, but it may signify a contrivance or device.
Fessen. Pat. 127; Horn-blower v. Boulton, 8 Term R. 106.