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US Patent: 627,316
Clutch
Patentees:
Aaron Allen (exact or similar names) - Philadelphia, PA
Eugène Moreau (exact or similar names) - Philadelphia, PA

USPTO Classifications:
192/74

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine clutches

Assignees:
Aaron Allen - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 10, 1898
Granted: Jun. 20, 1899

Patent Pictures:
USPTO (New site tip)
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