Douglas Keith Peterson, JR.

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Irvine, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of authenticating a consumable in an imaging device
- Patent number 8,099,791
- Issue date Jan 17, 2012
- Lexmark International, Inc.
- Christopher Alan Adkins
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for providing technical support relating to an im...
- Patent number 7,369,782
- Issue date May 6, 2008
- Lexmark International, Inc.
- Christopher A. Adkins
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for detecting whether a cartridge installed in an imaging ap...
- Patent number 7,280,772
- Issue date Oct 9, 2007
- Lexmark International, Inc.
- Christopher A. Adkins
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Electronic Filing Cabinet
- Publication number 20100209018
- Publication date Aug 19, 2010
- Christopher Alan Adkins
- G06 - COMPUTING CALCULATING COUNTING