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US Patent: 1,021,680
Micrometer Calipers
Patentee:
Fernando Oscar Jaques - Cranston, RI

USPTO Classifications:
33/819

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Julia Ricci
William P. Hanson, Jr.
John H. McNulty
Charles H. Luther

Patent Dates:
Applied: Jan. 02, 1912
Granted: Mar. 26, 1912

Patent Pictures:
USPTO pdf tiff
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Description:
Charles H. Luther - patent attorney

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