William L. Sondermann

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Circle Pines, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrical safety system for electrical device
- Patent number 5,418,686
- Issue date May 23, 1995
- Minnesota Mining and Manufacturing Company
- Alan P. Dieken
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electrical safety system for electrical device
- Patent number 5,411,534
- Issue date May 2, 1995
- Minnesota Mining and Manufacturing Company
- Alan P. Dieken
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electrical safety system for electrical device
- Patent number 5,334,223
- Issue date Aug 2, 1994
- Minnesota Mining and Manufacturing Company
- Alan P. Dieken
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Biological tissue stimulator with adjustable high voltage power sup...
- Patent number 4,917,093
- Issue date Apr 17, 1990
- Minnesota Mining and Manufacturing Company
- Joel R. Dufresne
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE