Assignee
DISPLAY MATRIX CORP
US12 patents
Top patents by PatentIndex Score
US6817101B1Nov 16, 2004
Hot blade razor
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US5130658AJul 14, 1992
Apparatus and method for indicating state of charge of a battery
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US5569556AOct 29, 1996
Battery charge indicator
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US5348813ASep 20, 1994
Battery charge indicator
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US5244754ASep 14, 1993
Battery charge indicator
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US9604375B2Mar 28, 2017
Razor with blade heating system
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US7614298B2Nov 10, 2009
Opaque aerosol container capacity indicator
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US5360682ANov 1, 1994
Battery charge indicator apparatus and the method of operation thereof
DISPLAY MATRIX CORP16 citations74
US5105156AApr 14, 1992
Method and apparatus for indicating state of charge of a battery
DISPLAY MATRIX CORP13 citations74
US5033824AJul 23, 1991
Convertible analog-digital mode display device
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USD337281SJul 13, 1993
Voltage indicator probe instrument
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US7490509B2Feb 17, 2009
Opaque aerosol container capacity indicator
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