Don J. Corrigall

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Appleton, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable induction control led transformer
- Patent number 5,672,963
- Issue date Sep 30, 1997
- Illinois Tool Works Inc.
- Don J. Corrigall
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reduced open circuit voltage power supply and method of producing t...
- Patent number 5,513,093
- Issue date Apr 30, 1996
- Miller Electric Mfg. Co.
- Don J. Corrigall
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Phase controlled transformer
- Patent number 5,363,035
- Issue date Nov 8, 1994
- Miller Electric Mfg. Co.
- Richard M. Hutchison
- G05 - CONTROLLING REGULATING
Information Patent Grant
Shunt coil controlled transformer
- Patent number 5,187,428
- Issue date Feb 16, 1993
- Miller Electric Mfg. Co.
- Richard M. Hutchison
- G05 - CONTROLLING REGULATING
Information Patent Grant
Welding gun with multi-directional switch
- Patent number 4,540,871
- Issue date Sep 10, 1985
- Miller Electric Manufacturing Company
- Don J. Corrigall
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Arc welder power supply with fail-safe voltage reducing circuit
- Patent number 4,450,340
- Issue date May 22, 1984
- Miller Electric Manufacturing Company
- Don J. Corrigall
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR