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US Patent: 188,756
Gaging & Centering Tool
Patentee:
Francis A. Rich (exact or similar names) - Grand Rapids, Kent County, MI

USPTO Classifications:
33/642, 33/666

Tool Categories:
layout tools : special purpose gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. H. Jones
M. B. Cooper

Patent Dates:
Applied: Feb. 23, 1876
Granted: Mar. 27, 1877

Patent Pictures:
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