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US Patent: 2,161,268
Conoidal Bit Cutting Machine
Patentee:
William F. Zimmermann (exact or similar names) - Maplewood, Essex County, NJ

USPTO Classifications:
409/193, 409/198, 409/57

Tool Categories:
metalworking machines : gear making machines : gear hobbing machines

Assignees:
Gould & Eberhardt - Newark, Essex County, NJ

Manufacturer:
Gould & Eberhardt - Newark, Essex County, NJ

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 14, 1937
Granted: Jun. 06, 1939

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Gould & Eberhardt

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