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Patent number:
Patent Date:
US Patent: 73,670
Improvement in Adjustable Spirit Levels
Patentee:
William J. Tate (
exact
or
similar
names) - New Haven, CT
USPTO Classifications:
33/386
Tool Categories:
layout tools
:
levels
Assignees:
None
Manufacturer:
Unknown
Witnesses:
Charles T. Shelton
Geo F. Gardiner
Patent Dates:
Granted:
Jan. 21, 1868
Patent Pictures:
USPTO
(New site tip)
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Report data errors or omissions to steward Russ Allen
Description:
An example appeared on ebay
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