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US Patent: 277,066
Friction Clutch
Patentee:
Gabriel Nicolas Schoenberg (exact or similar names) - Boulogne, Boulogne County, France

USPTO Classifications:
192/107R, 192/107T

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 16, 1883
Granted: May 08, 1883

Patent Pictures:
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