Granted Patent
Utility
US 5,392,618 · App. 08/121,306
Low cost liquid chemical dispenser for laundry machines
Inventors:
James W. Livingston, Ralph W. Hiesey
Patented Case
View Patent ↗
Granted: Feb 28, 1995
Filed: Sep 14, 1993
Inventors
James W. Livingston
Ralph W. Hiesey
Assignee (at issue)
DIVERSEY, 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.