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US Patent: 1,690,103
Electric switch
Patentee:
Emerson L. Clark - Pittsburgh, PA

USPTO Classifications:
200/453

Tool Categories:
specialty tools : handheld power tools
woodworking machines : handheld power tools

Assignees:
Syntron Co. - Unknown, Unknown

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 03, 1924
Granted: Nov. 06, 1928

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
This switch has a "snap on", "snap off" trigger.

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