Granted Patent
Utility
US 6,004,542 · App. 09/215,806
Silicone salicylate esters
Inventor:
Anthony J. O'Lenick, Jr.
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Dec 18, 1998
Inventor
Anthony J. O'Lenick, Jr.
Assignee (at issue)
Hansotech 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.