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John P. Graham
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Columbus, IN, US
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last 30 patents
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Patent Grant
Electronically controlled continuous lubricating oil replacement sy...
Patent number
6,082,322
Issue date
Jul 4, 2000
Cummins Engine Company, Inc.
John P. Graham
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electronically controlled continuous lubricating oil replacement sy...
Patent number
5,970,942
Issue date
Oct 26, 1999
Cummins Engine Company, Inc.
David E. Koeberlein
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electronically controlled continuous lubricating oil replacement sy...
Patent number
5,881,688
Issue date
Mar 16, 1999
Cummins Engine Company, Inc.
John P. Graham
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electronically controlled continuous lubricating oil replacement sy...
Patent number
5,749,339
Issue date
May 12, 1998
Cummins Engine Company, Inc.
John P. Graham
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS