Granted Patent
Utility
US 4,531,945 · App. 06/546,769
Multi layer sanitary appliance
Inventor:
John Patrick Allison
Patented Case
View Patent ↗
Granted: Jul 30, 1985
Filed: Oct 31, 1983
Inventor
John Patrick Allison
Assignee (at issue)
Kimberly-Clark 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.