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Patent number:
Patent Date:
US Patent: 297,719
Combined Level and Boring Guide
Patentee:
Albert Root (
exact
or
similar
names) - Hamden, New Haven County, CT
USPTO Classifications:
33/371
,
33/395
Tool Categories:
layout tools
:
levels
metalworking tools
:
drilling
:
drill and tap guides
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Feb. 06, 1884
Granted:
Apr. 29, 1884
Patent Pictures:
USPTO
(New site tip)
Google Patents
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