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US Patent: 1,695,336
Micrometer
Patentee:
George N. Kohlhaas (exact or similar names) - Elmira, NY

USPTO Classifications:
33/816

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Mar. 04, 1927
Granted: Dec. 18, 1928

Patent Pictures:
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