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Patent number:
Patent Date:
US Patent: 405,624
Sighting Attachment for Spirit-Levels
Patentee:
Justus A. Traut (
exact
or
similar
names) - New Britain, CT
USPTO Classifications:
33/290
Tool Categories:
layout tools
:
levels
Assignees:
The Stanley Rule & Level Co.
- New Britain, CT
Manufacturer:
Not known to have been produced
Witnesses:
F. N. Stanley
H. S. Walter
Patent Dates:
Applied:
Feb. 22, 1889
Granted:
Jun. 18, 1889
Patent Pictures: [
1
|
2
]
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