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US Patent: 391,717
Spirit Level and Inclinometer
Patentee:
Charles Henry Miller (exact or similar names) - Union City, Darke County, OH

USPTO Classifications:
33/388

Tool Categories:
layout tools : levels : spirit levels
layout tools : levels : inclinometers

Assignees:
Charles Henry Miller - Union City, Darke County, OH
Isaac S. Brandenburg - Peoria, Peoria County, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 21, 1888
Granted: Oct. 23, 1888

Patent Pictures:
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