Granted Patent
Utility
US 6,029,621 · App. 09/086,207
Remotely controlled engine prelubrication system
Inventor:
David Jeffeory Berels
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: May 28, 1998
Inventor
David Jeffeory Berels
Assignee (at issue)
Lear Automotive Dearborn, 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.