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US Patent: 496,511
Rotary cutter for making similar teeth
Patentees:
Henry E. Eberhardt (exact or similar names) - Newark, NJ
Fred L. Eberhardt (exact or similar names) - Newark, NJ
Ulrich Eberhardt (exact or similar names) - Newark, NJ

USPTO Classifications:
407/29, 407/31

Tool Categories:
metalworking machines : milling machines : milling machine cutters

Assignees:
None

Manufacturer:
Gould & Eberhardt - Newark, NJ

Witnesses:
Thomas S. Crane
Joseph B. Short

Patent Dates:
Applied: Apr. 01, 1892
Granted: May 02, 1893

Patent Pictures:
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Vintage Machinery entry for Gould & Eberhardt

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