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US Patent: 1,521,605
Brush holder for dynamo-electric machines
Patentee:
Frederick Diehl - Elizabeth, NJ

USPTO Classifications:
310/239, 310/241, 310/247

Tool Categories:
electrical devices : electric motors : motor brush holders

Assignees:
Diehl Manufacturing Co. - Elizabeth, NJ

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 12, 1923
Granted: Jan. 06, 1925

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

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