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US Patent: 1,478,701
Controller
Controller for sewing-machine motors
Patentee:
Frederick Diehl - Elizabeth, NJ

USPTO Classifications:
200/11G, 200/561, 338/153, 338/199, 338/200

Tool Categories:

Assignees:
Diehl Manufacturing Co. - Elizabeth, NJ

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 10, 1919
Granted: Dec. 25, 1923

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Diehl Manufacturing Co.

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