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US Patent: 535,223
Measuring and Drawing Instrument
Patentee:
William S. Rowell (exact or similar names) - Muncie, Delaware County, IN

USPTO Classifications:
33/428, 33/DIG.16

Tool Categories:
layout tools : squares : center squares
layout tools : protractors

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 05, 1894
Granted: Mar. 05, 1895

Patent Pictures:
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