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US Patent: 190,447
Scale Measure
Patentee:
John Putnam - Fitchburg, MA

USPTO Classifications:
33/494

Tool Categories:
rules : rule graduations

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Silas Holman
George E. Putnam

Patent Dates:
Applied: Jan. 29, 1877
Granted: May 08, 1877

Patent Pictures:
USPTO pdf tiff
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