Granted Patent
Utility
US 4,965,013 · App. 07/345,972
Method of high temperature laundering using sodium citrate and an anionic
Inventor:
Karen Pratt
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: May 1, 1989
Inventor
Karen Pratt
Assignee (at issue)
Miles 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.