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US Patent: 570,056
Spirit Level
Patentee:
Charles F. Richardson (exact or similar names) - Athol, MA

USPTO Classifications:
33/375, 73/124

Tool Categories:
layout tools : levels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. C. Whiting
Lena Kester
Minerva R. Pitts
Andrew J. Hamilton
Patent Dates:
Applied: Feb. 01, 1896
Granted: Oct. 27, 1896

Patent Pictures:
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Google Patents
Report data errors or omissions to steward Joel Havens
Description:
Rufus B. Fowler - patent attorney

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