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US Patent: 1,781,441
Electric switch
Patentee:
Joel R. Cook - Cleveland, OH

USPTO Classifications:
337/154, 337/55, 337/61, 337/69, 337/72

Tool Categories:
electrical devices : electric switches

Assignees:
Domestic Electric Co. - Cleveland, OH

Manufacturer:
Domestic Electric Co. - Cleveland, OH

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 18, 1922
Granted: Nov. 11, 1930

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Domestic Electric Co.

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