Granted Patent
Utility
US 6,662,379 · App. 10/033,611
Toilet cleaning dispenser system with removable cartridge
Inventors:
Jack Nguyen, Farid Maiwandi, Dan Lodhe, Christopher Coppock, Troy Bell
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Dec 27, 2001
Inventors
Jack Nguyen
Farid Maiwandi
Dan Lodhe
Christopher Coppock
Troy Bell
Assignee (at issue)
FLUIDMASTER, 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.