William K. Richardson

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Salvisa, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Storing printer density control parameters in cartridge memory
- Patent number 7,769,306
- Issue date Aug 3, 2010
- Lexmark International, Inc.
- Douglas Anthony Able
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Methods and apparatuses for determining the number of printed pages...
- Patent number 7,747,180
- Issue date Jun 29, 2010
- Lexmark International, Inc.
- Joel P. Wittenauer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
System, method and print cartridge for signaling user replacement o...
- Patent number 7,463,836
- Issue date Dec 9, 2008
- Lexmark International Inc.
- Douglas Anthony Able
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Determining toner usage
- Patent number 6,819,884
- Issue date Nov 16, 2004
- Lexmark International, Inc.
- Philip Scot Carter
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Toner measurement and darkness control using printer systems
- Patent number 6,718,147
- Issue date Apr 6, 2004
- Lexmark International, Inc.
- Philip Scot Carter
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Movement tracking by time and scaling for start and stop
- Patent number 6,701,097
- Issue date Mar 2, 2004
- Lexmark International, Inc.
- Philip Scot Carter
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Methods and apparatuses for determining the number of printed pages...
- Publication number 20080298823
- Publication date Dec 4, 2008
- Lexmark International, Inc.
- Joel P. Wittenauer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Storing printer density control parameters in cartridge memory
- Publication number 20070154227
- Publication date Jul 5, 2007
- Douglas Anthony Able
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
System, method and print cartridge for signaling user replacement o...
- Publication number 20060263105
- Publication date Nov 23, 2006
- Lexmark International, Inc.
- Douglas Anthony Able
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY