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| All Patents in class 318/799 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,622,232 | Dec. 16, 1952 | S.S. Brown | Electric motor and method of operation | electric motors | |
| 3,878,445 | Apr. 15, 1975 | J.J. Schachte, R. Stobbe, F. Zankl, E.E. Kirkham | A.C. Motor Control Apparatus and Method (CNC Control Circuitry) | machine tool controls | |
| 4,292,577 | Sep. 29, 1981 | M.R. Cesarz, R.E. Stobbe | A.C. Motor Control Circuit | motor controls | |