Robert L. Krupa Jr.

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Parma Heights, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Snap-in meter
- Patent number 6,635,822
- Issue date Oct 21, 2003
- Prime Instruments, Inc.
- Robert L. Krupa
- G01 - MEASURING TESTING
Information Patent Grant
Electrical ammeter including an induction coil
- Patent number 5,786,688
- Issue date Jul 28, 1998
- Prime Instruments, Inc.
- Robert L. Krupa
- G01 - MEASURING TESTING
Information Patent Grant
Electrical measuring meter and method including a calibrating element
- Patent number 4,710,706
- Issue date Dec 1, 1987
- Prime Instruments, Inc.
- Robert L. Krupa
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Snap-in meter
- Publication number 20020104672
- Publication date Aug 8, 2002
- Robert L. Krupa
- G01 - MEASURING TESTING