Granted Patent
Utility
US 6,189,504 · App. 09/198,522
System for combination compression release braking and exhaust gas recirculation
Inventors:
Mark A. Israel, James Judd, Kristin V. EMMONS, Kevin J. Kinerson, Richard Vanderpoel
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Nov 24, 1998
Inventors
Mark A. Israel
James Judd
Kristin V. EMMONS
Kevin J. Kinerson
Richard Vanderpoel
Assignee (at issue)
Diesel Engine Retarders, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.