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US Patent: 826,883
Micrometer Calipers
Patentee:
Friend B. Prewett (exact or similar names) - Logansport, Cass County, IN

USPTO Classifications:
33/826

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 06, 1906
Granted: Jul. 24, 1906

Patent Pictures:
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