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Patent number:
Patent Date:
US Patent: 2,374,250
Worm Gear Hobbing Machine
Patentee:
William F. Zimmermann (
exact
or
similar
names) - Maplewood, Essex County, NJ
USPTO Classifications:
409/15
,
409/24
Tool Categories:
metalworking machines
:
gear making machines
:
gear hobbing machines
Assignees:
Gould & Eberhardt
- Irvington, Essex County, NJ
Manufacturer:
Gould & Eberhardt
- Irvington, Essex County, NJ
Witnesses:
Unknown
Patent Dates:
Applied:
Sep. 12, 1941
Granted:
Apr. 24, 1945
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Gould & Eberhardt
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