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US Patent: AI280
Protractor
Patentee:
Josiah Lyman (exact or similar names) - Lenox, MA

USPTO Classifications:
33/425

Tool Categories:
layout tools : protractors

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: May 15, 1860

Reissue Information:
Reissue of 20,356 (May 25, 1858)

Patent Pictures:
USPTO (New site tip)
Google Patents
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