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Patent number:
Patent Date:
US Patent: 60,788
Improvement in Levels
Sighting Level
Patentee:
William L. Richardson (
exact
or
similar
names) - Reading, MA
USPTO Classifications:
33/292
,
33/386
Tool Categories:
layout tools
:
levels
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
George W. Bliss
Louis C. Rodier
Edward H. Hyde
J. B. Gardiner
Patent Dates:
Granted:
Jan. 01, 1867
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Ralph Brendler
Description:
This is a design for a sighting level, such as used by masons and builders.
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