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Patents for Edward E. Kirkham
Patents 1 - 15 of 30
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NumberDatePatenteeTitleType
3,528,745Sep. 15, 1970E.E. KirkhamApparatus for increasing the frequency response and stability of a light detection system
3,596,153Jul. 27, 1971E.E. Kirkham, W.E. BrainardPositional control system for a machine tool
3,777,128Dec. 04, 1973E.E. KirkhamInput data sampling scheme for computer controlled machine tools (cnc)
3,786,938Jan. 22, 1974E.E. KirkhamReversing drive for a tool changer
3,878,445Apr. 15, 1975J.J. Schachte, R. Stobbe, F. Zankl, E.E. KirkhamA.c. motor control apparatus and method (cnc control circuitry)
CA-990,537Jun. 08, 1976E.E. KirkhamReversing drive for a tool changertool changers and storage mechanisms
3,986,087Oct. 12, 1976J.J. Schachte, R.E. Stobbe, E.E. Kirkham, F. ZanklA.c. motor control apparatus and method
3,986,088Oct. 12, 1976J.J. Schachte, R.E. Stobbe, E.E. Kirkham, F. ZanklA.c. motor control apparatus and method
4,028,599Jun. 07, 1977J.J. Schachte, R.E. Stobbe, E.E. Kirkham, F. ZanklMethod of controlling an a.c. motor
CA-1,014,603Jul. 26, 1977E.E. Kirkham, J.J. Schachte, F. Zankl, R.E. StobbeA.C. motor control apparatus and methodmotor controls
CA-1,019,390Oct. 18, 1977E.E. Kirkham, J.J. Schachte, F. Zankl, R.E. StobbeMethod of controlling an A.C. motormotor controls
CA-1,019,391Oct. 18, 1977E.E. Kirkham, J.J. Schachte, F. Zankl, R.E. StobbeA.C. motor control apparatus and methodmotor controls
CA-1,021,843Nov. 29, 1977J.J. Schachte, F. Zankl, R.E. Stobbe, E.E. KirkhamA.C. motor control apparatus and methodmotor controls
CA-1,023,427Dec. 27, 1977E.E. Kirkham, J.J. Schachte, F. Zankl, R.E. StobbeA.C. motor control apparatus and methodmotor controls
4,091,294May 23, 1978J.J. Schachte, R.E. Stobbe, E.E. Kirkham, F. ZanklA.c. motor control apparatus and method
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