Robert D. Johnson

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Pleasant Prairie, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual voltage circuit tester
- Patent number 6,888,341
- Issue date May 3, 2005
- Snap-on Incorporated
- Robert D. Johnson
- G01 - MEASURING TESTING
Information Patent Grant
Hand-held magnetic contact tachometer with toothed rotatable wheel
- Patent number 5,250,896
- Issue date Oct 5, 1993
- Snap-on Tools Corporation
- Daniel Mieczkowski
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
DUAL VOLTAGE CIRCUIT TESTER
- Publication number 20050057243
- Publication date Mar 17, 2005
- Snap-On Technologies, Inc.
- Robert D. Johnson
- G01 - MEASURING TESTING