Granted Patent
Utility
US 4,240,277 · App. 06/084,723
Two-piece liquid rinse agent dispenser for clothes washing machine
Inventor:
Philip J. Manthei
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: Oct 15, 1979
Inventor
Philip J. Manthei
Assignee (at issue)
Raytheon Company
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.