Jin Choi

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Seattle, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple urethane tuned exhaust damper for vertical exhaust
- Patent number 7,678,168
- Issue date Mar 16, 2010
- PACCAR Inc.
- William R. Connelly
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Multiple urethane tuned exhaust damper for vertical exhaust
- Publication number 20080142647
- Publication date Jun 19, 2008
- PACCAR Inc
- William R. Connelly
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES