Schmachtenberg Brothers had an import agency at 143 Chambers Street, New York City. Their manufacturing plant was in Solingen, Germany, and William Schmachtenberg had charge of that plant.
About 1894, the offices in New York were moved to 98 Chambers Street. By 1913, they were at 66-68 Reade Street, with Frederick W. Schmachtenberg as a member of the firm
In addition to the knives marked only with the Schmachtenberg name, they also made contract knives. The customer’s name would be marked on the front of the tang, and Schmachtenberg’s trademark would be marked on the back. Schmachtenberg used the following trademarks:
c 1887-1939