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US Patent: 410,232
Friction Coupling
Patentee:
Richard C. Borchers (exact or similar names) - Philadelphia, PA

USPTO Classifications:
192/79

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 08, 1889
Granted: Sep. 03, 1889

Patent Pictures:
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