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US Patent: 4,091,294
A.C. Motor Control Apparatus and Method
Patentees: John J. Schachte (exact or similar names) - Wauwatosa, Milwaukee County, WI Richard E. Stobbe (exact or similar names) - Greenfield, Milwaukee County, WI Edward E. Kirkham (exact or similar names) - Brookfield, Waukesha County, WI Frank Zankl (exact or similar names) - Milwaukee, WI USPTO Classifications: 318/773, 318/801, 318/808, 318/810 Tool Categories: electrical devices : electric motors : motor controls Assignees: Kearney & Trecker Corp. - West Allis, Milwaukee County, WI Manufacturer: Kearney & Trecker Corp. - West Allis, Milwaukee County, WI Witnesses: Unknown	Patent Dates: Applied: Jul. 19, 1976 Granted: May 23, 1978 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Kearney & Trecker Corp.

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