Granted Patent
Utility
US 5,656,664 · App. 08/704,408
Branched esters in skin care applications
Inventor:
Anthony J. O'Lenick, Jr.
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Aug 23, 1996
Inventor
Anthony J. O'Lenick, Jr.
Assignee (at issue)
SILTECH CORP
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.