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US Patent: 933,766
Ventilating-plate for laminated structures
Patentee: Philip A. Lange (exact or similar names) - Manchester, England USPTO Classifications: 310/65 Tool Categories: electrical devices : electric motors : motor cooling Assignees: Westinghouse Electric & Mfg. Co. - East Pittsburgh, PA Manufacturer: Westinghouse Electric & Mfg. Co. - East Pittsburgh, PA Witnesses: James Stewart Broadfoot Percy William Holt	Patent Dates: Applied: Feb. 20, 1907 Granted: Sep. 14, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Westinghouse Electric & Mfg. Co.

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