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US Patent: 934,369
Ventilating plate and spacer for electrical apparatus
Patentee:
Harry D. Summers - Wilkinsburg, PA

USPTO Classifications:
310/65

Tool Categories:
electrical devices : electric motors : motor cooling

Assignees:
Westinghouse Electric & Manufacturing Co. - East Pittsburgh, PA

Manufacturer:
Westinghouse Electric & Manufacturing Co. - East Pittsburgh, PA

Witnesses:
Edwin Denham
Birney Hines

Patent Dates:
Applied: Oct. 24, 1906
Granted: Sep. 14, 1909

Patent Pictures:
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"Vintage Machinery" entry for Westinghouse Electric & Manufacturing Co.

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