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Patent number:
Patent Date:
US Patent: 991,630
Yielding Tapping Attachment
Patentee:
Frank P. Miller (
exact
or
similar
names) - Meadville, Crawford County, PA
USPTO Classifications:
279/53
,
408/140
,
464/42
,
470/103
Tool Categories:
metalworking machines
:
drilling and boring
:
tapping heads and chucks
Assignees:
McCrosky Tool Corp.
- Meadville, Crawford County, PA
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Apr. 11, 1910
Granted:
May 09, 1911
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for McCrosky Tool Corp.
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