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US Patent: 510,122
Gear-cutting and hobbing machine
Patentees:
Ulrich Eberhardt - Newark, NJ
Henry E. Eberhardt - Newark, NJ
Fred L. Eberhardt - Newark, NJ

USPTO Classifications:
409/11, 409/18, 409/22

Tool Categories:
metalworking machines : gear making machines

Assignees:
None

Manufacturer:
Gould & Eberhardt - Newark, NJ

Witnesses:
Edward F. Kinsey
Thomas S. Crane

Patent Dates:
Applied: Mar. 09, 1893
Granted: Dec. 05, 1893

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

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