Initial Marking: NYGWCCo

Location: New York

Years of Operation: 1884-1888

Predecessor: E.A. Jeanneret

Successor: Dueber Watch Case Mfg. Co.

Purchased by the Dueber Watch Case Company in 1888. [Crossman] In 1886, Keller & Untermeyer secured an injunction against the company for patent infringement. [JC 1886]