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US Patent: 934,692
Micrometer Gage
Patentee:
Henry S. Plant - Boston, MA

USPTO Classifications:
33/542, 33/817, 33/827

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Horace A. Crossman
Robert H. Kammler
Irving U. Townsend
Everett S. Emery

Patent Dates:
Applied: May 27, 1908
Granted: Sep. 21, 1909

Patent Pictures:
USPTO pdf tiff
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