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Kenneth William Derra
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New Berlin, WI, US
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Patents Grants
last 30 patents
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Patent Grant
Blower housing for internal combustion engine
Patent number
7,594,484
Issue date
Sep 29, 2009
Briggs & Stratton Corporation
Stephen John Lavender
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Patent Grant
Reinforced cylinder for an internal combustion engine
Patent number
5,271,363
Issue date
Dec 21, 1993
Briggs & Stratton Corp.
Kenneth W. Derra
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
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Patent Application
Blower housing for internal combustion engine
Publication number
20060169256
Publication date
Aug 3, 2006
Stephen John Lavender
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES