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US Patent: 1,306,165
Geometrical Instrument
Patentee:
Peter Benson (exact or similar names) - Kootenai, ID

USPTO Classifications:
33/466, 7/150

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: May 28, 1917
Granted: Jun. 10, 1919

Patent Pictures:
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