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William Keith Richardson

LI Lexmark International: 6 patents #429 of 1,615Top 30%
📍 Salvisa, KY: #1 of 8 inventorsTop 15%
🗺 Kentucky: #1,855 of 11,577 inventorsTop 20%
Overall (All Time): #868,542 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7769306 Storing printer density control parameters in cartridge memory Douglas Anthony Able, Joel Patrick Wittenauer 2010-08-03
7747180 Methods and apparatuses for determining the number of printed pages remaining in a toner cartridge Joel Patrick Wittenauer, James Anthany Carter, II 2010-06-29
7463836 System, method and print cartridge for signaling user replacement of fuser wiper Douglas Anthony Able, Thomas Neal Barnes, Patrick O. Bischel, Rickey Carter Brown, Louann Behymer Samuels +2 more 2008-12-09
6819884 Determining toner usage Philip Scot Carter, Jason Carl True 2004-11-16
6718147 Toner measurement and darkness control using printer systems Philip Scot Carter, Benjamin Keith Newman, Jason Carl True 2004-04-06
6701097 Movement tracking by time and scaling for start and stop Philip Scot Carter, Benjamin Keith Newman, Kevin Dean Schoedinger 2004-03-02