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Charles Johnson
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Gray, TN, US
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Patents Grants
last 30 patents
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Patent Grant
Systems, methods, and devices for detecting circuit faults
Patent number
7,124,041
Issue date
Oct 17, 2006
Siemens Energy & Automotive, Inc.
Charles Johnson
G05 - CONTROLLING REGULATING
Information
Patent Grant
System and method for automatically correcting timers
Patent number
7,028,210
Issue date
Apr 11, 2006
Siemens Energy & Automation, Inc.
Charles Johnson
G04 - HOROLOGY
Information
Patent Grant
Programmable controller with sub-phase clocking scheme
Patent number
6,981,167
Issue date
Dec 27, 2005
Siemens Energy & Automation, Inc.
Charles Johnson
G05 - CONTROLLING REGULATING
Information
Patent Grant
Device, system, and method for compensating for isolation and cable...
Patent number
6,608,574
Issue date
Aug 19, 2003
Siemens Energy & Automation, Inc.
Charles Johnson
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
Information
Patent Application
System and method for automatically correcting timers
Publication number
20040236976
Publication date
Nov 25, 2004
Charles Johnson
G04 - HOROLOGY
Information
Patent Application
Programmable controller with sub-phase clocking scheme
Publication number
20020198607
Publication date
Dec 26, 2002
Charles Johnson
G05 - CONTROLLING REGULATING