Granted Patent
Utility
US 5,376,381 · App. 07/649,237
Integrity protected gelatin
Inventors:
Alan L. Weiner, Joel Portnoff, Elaine Chan
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Jan 29, 1991
Inventors
Alan L. Weiner
Joel Portnoff
Elaine Chan
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.