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US Patent: 423,333
Friction Clutch
Patentee:
Philip Medart - St. Louis, MO

USPTO Classifications:
192/111.1, 192/111.13, 192/99A

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms : friction clutches

Assignees:
Philip Medart - St. Louis, MO
William Medart - St. Louis, MO

Manufacturer:
Medart Patent Pulley Co. - St. Louis, MO

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 05, 1889
Granted: Mar. 11, 1890

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Medart Patent Pulley Co.

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