Granted Patent
Utility
US 6,409,591 · App. 09/874,645
Automotive vehicle exhauster vent
Inventors:
Thomas M. Sullivan, Kenneth R Lochner
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Jun 5, 2001
Inventors
Thomas M. Sullivan
Kenneth R Lochner
Assignee (at issue)
Daimlerchrysler AG
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.