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Patent number:
Patent Date:
US Patent: 504,278
Combination Gage
Patentee:
Charles W. Preston (
exact
or
similar
names) - San Francisco, San Francisco County, CA
USPTO Classifications:
33/332
,
33/342
,
33/427
Tool Categories:
layout tools
:
measurement gauges
:
surface gauges
Assignees:
William C. Espey
- San Francisco, San Francisco County, CA
Walter E. Anderson
- San Francisco, San Francisco County, CA
Manufacturer:
Not known to have been produced
Witnesses:
Earl Duvall, Jr.
Willain L. Boydeu
Alfred Enquist
Wilson D. Bent, Jr.
Patent Dates:
Applied:
Nov. 01, 1892
Granted:
Aug. 29, 1893
Patent Pictures:
USPTO
(New site tip)
Google Patents
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