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US Patent: 688,347
Combined Calipers and Depth Gage
Patentee:
Adolph Schuler - Chicago, IL

USPTO Classifications:
33/799

Tool Categories:
metalworking tools : machinist tools : measuring tools : micrometer depth gages
layout tools : calipers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
George C. Davison
Charles E. Gaylord
Otto G. Hoffman
Dwight B. Cheever

Patent Dates:
Applied: Jul. 29, 1901
Granted: Dec. 10, 1901

Patent Pictures:
USPTO pdf tiff
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Description:
Dwight B. Cheevers - patent attorney

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