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US Patent: 2,030,864
Inside Micrometer Centering Device
Patentee:
Harry C. Gielow - Elgin, IL

USPTO Classifications:
33/542, 33/827

Tool Categories:
metalworking tools : machinist tools : measuring tools : inside micrometers

Assignees:
L. S. Starrett Co. - Athol, MA

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Oct. 26, 1934
Granted: Feb. 18, 1936

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
Charles O. Shewey - patent attorney

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