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US Patent: 718,266
Vernier and Micrometer Calipers
Patentee:
Frank G. Marbach - Cleveland, OH

USPTO Classifications:
33/823

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. L. Lord
E. B. Donnelly
W. E. Donnelly

Patent Dates:
Applied: Apr. 18, 1901
Granted: Jan. 13, 1903

Patent Pictures:
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Description:
W. E. Donnelly - patent attorney

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