Digest of United States Automobile Patents from 1789 to July 1, 1899

Including All Patents Officially Classed as Traction-engines for the Same Period. Chronologically Arranged ... Together with Lists of Patents in the Classes of Portable-engines, Traction-wheels, Electric Locomotives, and Electric Railway Battery Systems. A Complete Exposition of the Patented Art of Horseless Carriages

by James Titus Allen