Woodbury S. How, “Improvement in Dental-Tool Holders,” U.S. Patent 203,733 (May 14, 1878), assigned to Samuel Stockton White. When this patent was issued, Woodbury Storer How (1829-1911) lived in Cincinnati.
Dental handpiece with a “Johnston Bro., N.Y., PAT. OCT. 19, 1876, APRIL 23, 1873, reissue May 8, 1877” inscription. The Johnston Bros. firm merged with that of Samuel S. White in 1881, becoming part of the S. S. White Dental Manufacturing Co.