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US Patent: 1,343,227
Caliper Rule
Patentee:
Herman J. Ostdiek (exact or similar names) - Minneapolis, Hennepin County, MN

USPTO Classifications:
33/810

Tool Categories:
metalworking tools : machinist tools : measuring tools : indicating calipers
rules : extensible rules

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 29, 1919
Granted: Jun. 15, 1920

Patent Pictures:
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