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US Patent: 1,737,538
Short-circuiting device
Patentee:
John D. Karle - Roselle Park, NJ

USPTO Classifications:
310/167

Tool Categories:
electrical devices : electric motors

Assignees:
Diehl Manufacturing Co. - Elizabeth, NJ

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 15, 1927
Granted: Nov. 26, 1929

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

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