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US Patent: 474,393
Protractor & Bevel
Patentee:
Edward M. Long (exact or similar names) - Worcester, MA

USPTO Classifications:
33/473

Tool Categories:
metalworking tools : machinist tools : measuring tools : protractors
layout tools : protractors
layout tools : bevels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Rufus B. Fowler
Katie Carroll

Patent Dates:
Applied: Dec. 30, 1889
Granted: May 10, 1892

Patent Pictures:
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