Granted Patent
Utility
US 6,718,940 · App. 09/949,937
Hydraulic lash adjuster with compression release brake
Inventor:
James Usko
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Sep 12, 2001
Inventor
James Usko
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.