Granted Patent
Utility
US 4,476,044 · App. 06/377,645
Surfactant product
Inventor:
Anthony J. O'Lenick, Jr.
Patented Case
View Patent ↗
Granted: Oct 9, 1984
Filed: May 13, 1982
Inventor
Anthony J. O'Lenick, Jr.
Assignee (at issue)
Henkel Limited
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.