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US Patent: 1,564,857
Micrometer
Patentee:
Oscar V. Karlsson (exact or similar names) - Arlington, NJ

USPTO Classifications:
33/818

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Feb. 05, 1924
Granted: Dec. 08, 1925

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
Description:
H. C. Karlson - patent attorney

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