Granted Patent
Utility
US 5,962,389 · App. 08/616,731
Detergent having improved color retention properties
Inventors:
Terrell L. Partee, Charles J. Varker, Elaine T. Morse, Ronald D. Morgan
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Mar 15, 1996
Inventors
Terrell L. Partee
Charles J. Varker
Elaine T. Morse
Ronald D. Morgan
Assignee (at issue)
The Dial 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.