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US Patent: 501,807
Taper Gage
Patentee:
Frank Peterson (exact or similar names) - Chicago, IL

USPTO Classifications:
33/472, 33/532

Tool Categories:
layout tools : special purpose gauges
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Henry Eastman
J. A. Van Flul
F. McArdle
C Sedgwick

Patent Dates:
Applied: Apr. 20, 1893
Granted: Jul. 18, 1893

Patent Pictures:
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Google Patents
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