Ronald R. Krueger

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Michigan City, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure gage and switch
- Patent number 6,981,421
- Issue date Jan 3, 2006
- Dwyer Instruments, Inc.
- Brian L. Palmer
- G01 - MEASURING TESTING
Information Patent Grant
Combination pressure switch and gage
- Patent number D488735
- Issue date Apr 20, 2004
- Dwyer Instruments, Inc.
- Brian L. Palmer
- D10 - Measuring, testing, or signalling instruments

Patents Applicationslast 30 patents

Information Patent Application
Pressure gage and switch
- Publication number 20040237660
- Publication date Dec 2, 2004
- Brian L. Palmer
- G01 - MEASURING TESTING