John W. Cretzmeyer

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Richfield, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrochemical cells with end-of-service indicator
- Patent number 5,180,642
- Issue date Jan 19, 1993
- Medtronic, Inc.
- Douglas J. Weiss
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrochemical cell with improved fill port
- Patent number 5,173,375
- Issue date Dec 22, 1992
- Medtronic, Inc.
- John W. Cretzmeyer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrolyte for lithium-manganese oxide cells and the like
- Patent number 5,154,992
- Issue date Oct 13, 1992
- Medtronic, Inc.
- David R. Berberick
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal/oxygen cells and method for optimizing the active life proper...
- Patent number 4,189,526
- Issue date Feb 19, 1980
- Gould Inc.
- John W. Cretzmeyer
- H01 - BASIC ELECTRIC ELEMENTS