Granted Patent
Utility
US 6,787,031 · App. 10/314,924
Filter cartridge with strap and method
Inventors:
Randall David Van Pelt, Charles Grant Carothers
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Dec 9, 2002
Inventors
Randall David Van Pelt
Charles Grant Carothers
Assignee (at issue)
BHA Group, 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.