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US Patent: 279,038
Micrometer Calipers
Patentee:
George F. Stillman (exact or similar names) - Madison, WI

USPTO Classifications:
33/831

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William Secher
J. F. Reily
Patent Dates:
Applied: Jan. 30, 1883
Granted: Jun. 05, 1883

Patent Pictures:
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