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US Patent: 610,021
Centering Gage
Patentee:
Charles V. Bogart - Fitchburg, MA

USPTO Classifications:
33/520, 33/528, 33/542, 33/644

Tool Categories:
layout tools : marking gauges : center marking gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. D. Harrison
P. W. Pizzetti
J. F. Wetherbee
A. M. Pike

Patent Dates:
Applied: Dec. 15, 1897
Granted: Aug. 30, 1898

Patent Pictures:
USPTO pdf tiff
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