Granted Patent
Utility
US 4,574,021 · App. 06/638,831
Soft moisture resistant tissue product
Inventors:
Dan D. Endres, Attila Matray
Patented Case
View Patent ↗
Granted: Mar 4, 1986
Filed: Aug 6, 1984
Inventors
Dan D. Endres
Attila Matray
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.