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Andrew B. Witkowski
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Oakbrook Terrace, IL, US
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Patents Grants
last 30 patents
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Patent Grant
Automotive engine with improved multifilter lubrication system
Patent number
4,512,299
Issue date
Apr 23, 1985
International Harvester Company
John J. Egan
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
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Patent Application
CRANKCASE AND MAIN BEARING CAP CONSTRUCTION
Publication number
20110048367
Publication date
Mar 3, 2011
International Engine Intellectual Property Company LLC
Martin R. Zielke
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Application
ENERGY ABSORBING LIFT BRACKET
Publication number
20090095860
Publication date
Apr 16, 2009
INTERNATIONAL ENGINE INTELLECTUAL PROPERTY COMPANY , LLC
Timothy Yoon
B66 - HOISTING LIFTING HAULING