Granted Patent
Utility
US 6,779,516 · App. 10/448,906
Closed crankcase ventilation system with flow meter for monitoring engine operation
Inventor:
Robert Francis Shureb
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: May 30, 2003
Inventor
Robert Francis Shureb
Assignee (at issue)
DETROIT DIESEL CORPORATION
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.