Granted Patent
Utility
US 5,868,799 · App. 08/761,043
Surfactants and drying and drycleaning compositions which utilize said surfactants
Inventors:
Gary Zyhowski, David Nalewajek, Leonard M. Stachura
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Dec 5, 1996
Inventors
Gary Zyhowski
David Nalewajek
Leonard M. Stachura
Assignee (at issue)
AlliedSignal, 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.