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US Patent: 69,953
Fixed Caliper Gauge
Patentee:
John Richards (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
33/567

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Probably by the American Standard Gauge & Tool Works - Philadelphia, PA

Witnesses:
W. S. Kelley
W. R. Hyde

Patent Dates:
Granted: Oct. 15, 1867

Patent Pictures:
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