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Patent number:
Patent Date:
US Patent: 386,651
Attachment for Squares
Patentee:
Charles F. Nichols
- San Francisco, CA
USPTO Classifications:
33/415
,
33/418
,
33/DIG16
Tool Categories:
layout tools
:
squares
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
S. H. Nourse
H. C. Lee
Patent Dates:
Applied:
Mar. 27, 1888
Granted:
Jul. 24, 1888
Patent Pictures:
USPTO
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tiff
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