Granted Patent
Utility
US 6,523,561 · App. 09/769,114
Snap-together filter system for transmission oil pan and method of manufacture
Inventors:
John Kapcoe, Robert Waters, Todd M. Willis
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Jan 24, 2001
Inventors
John Kapcoe
Robert Waters
Todd M. Willis
Assignee (at issue)
Federal-Mogul Worldwide, 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.