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US Patent: 515,906
Multiplex gear-cutter
Patentees:
Ulrich Eberhardt - Newark, NJ
Henry E. Eberhardt - Newark, NJ

USPTO Classifications:
409/55, 409/56

Tool Categories:
metalworking machines : gear making machines

Assignees:
None

Manufacturer:
Gould & Eberhardt - Newark, NJ

Witnesses:
Thomas S. Crane
Joseph B. Pierson

Patent Dates:
Applied: May 05, 1892
Granted: Mar. 06, 1894

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Gould & Eberhardt

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