Granted Patent
Utility
US 6,508,934 · App. 09/737,897
Filter cartridge with strap and method
Inventors:
Randall David Van Pelt, Charles Grant Carothers
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Dec 15, 2000
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.