Roger Knopf

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Elmhurst, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Electronic battery tester having a user interface to configure a pr...
- Patent number 7,408,358
- Issue date Aug 5, 2008
- Midtronics, Inc.
- Roger Knopf
- G01 - MEASURING TESTING
Information Patent Grant
Electronic battery tester
- Patent number 6,891,378
- Issue date May 10, 2005
- Midtronics, Inc.
- Kevin I. Bertness
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Electronic battery tester having a user interface to configure a pr...
- Publication number 20040251908
- Publication date Dec 16, 2004
- Midtronics, Inc.
- Roger Knopf
- G01 - MEASURING TESTING
Information Patent Application
Electronic battery tester
- Publication number 20040189308
- Publication date Sep 30, 2004
- Kevin I. Bertness
- G01 - MEASURING TESTING