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US Patent: 628,957
Electric transformer
Patentee:
James W. Packard - Warren, OH

USPTO Classifications:
220/366.1, 292/256.75, 336/210, 336/59, 336/60, 336/68, 336/92

Tool Categories:
electrical devices

Assignees:
None

Manufacturer:
Packard Electric Co. - Warren, OH

Witnesses:
F. M. Russell
Edith Gorton

Patent Dates:
Applied: Apr. 22, 1899
Granted: Jul. 18, 1899

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Packard Electric Co.

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