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Darrell R. Chriswell
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Longmont, CO, US
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Patents Grants
last 30 patents
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Patent Grant
Concave combustion chamber
Patent number
7,258,093
Issue date
Aug 21, 2007
Shawn D. Chriswell
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Patent Grant
Flowbench and air flow measurement and calibration procedure
Patent number
5,808,188
Issue date
Sep 15, 1998
Shawn Darrell Chriswell
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
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Patent Application
Concave combustion chamber
Publication number
20070125333
Publication date
Jun 7, 2007
Shawn D. Chriswell
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES