Granted Patent
Utility
US 5,345,957 · App. 08/117,730
Dishwasher filter arrangement
Inventors:
Randall L. Cooper, Rodney M. Welch
Patented Case
View Patent ↗
Granted: Sep 13, 1994
Filed: Sep 7, 1993
Inventors
Randall L. Cooper
Rodney M. Welch
Assignee (at issue)
Maytag Corporation
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.