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US Patent: 1,638,366
Micrometer
Patentee:
Henry Sandoz (exact or similar names) - Tavannes, Switzerland

USPTO Classifications:
33/815

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. 19, 1924
Granted: Aug. 09, 1927

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