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Patent number:
Patent Date:
US Patent: 2,144,486
Locating Device
Patentee:
Edmund M. Erb (
exact
or
similar
names) - West Hartford, Hartford County, CT
USPTO Classifications:
269/67
,
269/78
,
279/5
,
409/218
,
409/222
Tool Categories:
metalworking machines
:
milling machines
:
milling machine accessories
Assignees:
Hartford Special Machinery Co.
- Hartford, Hartford County, CT
Manufacturer:
Hartford Special Machinery Co.
- Hartford, Hartford County, CT
Witnesses:
none listed
Patent Dates:
Applied:
Apr. 28, 1936
Granted:
Jan. 17, 1939
Patent Pictures: [
1
|
2
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4
]
USPTO
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Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Hartford Special Machinery Co.
Description:
Also patented in Great Britain, patent #
GB-501631
.
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