Granted Patent
Utility
US 5,171,737 · App. 07/318,774
Emulsions
Inventors:
Alan L. Weiner, Sharon Carpenter-Green
Patented Case
View Patent ↗
Granted: Dec 15, 1992
Filed: Mar 3, 1989
Inventors
Alan L. Weiner
Sharon Carpenter-Green
Assignee (at issue)
The Liposome Company, 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.