Granted Patent
Utility
US 5,446,183 · App. 08/389,138
Silicone ester emulsifiers
Inventor:
Anthony J. O'Lenick, Jr.
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Feb 15, 1995
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.