Granted Patent
Utility
US 4,853,142 · App. 07/177,567
High melting temperature laundry detergent sheet
Inventors:
Maung H. Win, William D. Lloyd, William A. Abba, Diego H. Daponte
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: Apr 4, 1988
Inventors
Maung H. Win
William D. Lloyd
William A. Abba
Diego H. Daponte
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.