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US Patent: 617,723
Gear-cutter clamp for wheel-blanks
Patentees:
Ulrich Eberhardt - Newark, NJ
Henry E. Eberhardt - Newark, NJ
Fred L. Eberhardt - Newark, NJ

USPTO Classifications:
269/63, 409/56, 409/62

Tool Categories:
metalworking machines : gear making machines
work holding

Assignees:
None

Manufacturer:
Gould & Eberhardt - Newark, NJ

Witnesses:
Thomas S. Crane
Joseph B. Pierson

Patent Dates:
Applied: Mar. 30, 1898
Granted: Jan. 17, 1899

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

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