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US Patent: 924,786
System of Electric Motor Control
Patentee:
Henry D. James (exact or similar names) - Pittsburg, Allegheny County, PA

USPTO Classifications:
318/141, 318/150, 318/158, 318/161, 318/26, 318/263, 318/504

Tool Categories:
electrical devices : electric motors : motor controls

Assignees:
Westinghouse Electric & Mfg. Co. - East Pittsburg, Allegheny County, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 08, 1907
Granted: Jun. 15, 1909

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Westinghouse Electric & Manufacturing Co.

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