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US Patent: 421,178
Machinery for Transmitting and Arresting Motion
Patentee:
Wilfred Lewis - Philadelphia, PA

USPTO Classifications:
192/36, 192/66.23, 192/93A, 464/39

Tool Categories:
propulsion and energy : clutches

Assignees:
William Sellers & Co. - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 23, 1889
Granted: Feb. 11, 1890

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for William Sellers & Co.

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