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Keith E. Johnson
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Pensacola, FL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Fan disabling device
Patent number
7,481,261
Issue date
Jan 27, 2009
Keith E. Johnson
B60 - VEHICLES IN GENERAL
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Patent Grant
Apparatus for detecting and preventing chemical or biological conta...
Patent number
6,583,726
Issue date
Jun 24, 2003
Vent-Defense, LLC
Duane M. Johnson
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
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Patent Application
Siren detection notification alarm
Publication number
20070008175
Publication date
Jan 11, 2007
Duane Johnson
G08 - SIGNALLING
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Patent Application
Fan disabling device
Publication number
20060219382
Publication date
Oct 5, 2006
Keith E. Johnson
B60 - VEHICLES IN GENERAL