Granted Patent
Utility
US 5,334,761 · App. 07/937,508
Cationic lipids
Inventors:
Gulilat Gebeyehu, Joel Jessee, Valentina C. Ciccarone, Pamela Hawley-Nelson, Anna Chytil
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Aug 28, 1992
Inventors
Gulilat Gebeyehu
Joel Jessee
Valentina C. Ciccarone
Pamela Hawley-Nelson
Anna Chytil
Assignee (at issue)
LIFE TECHNOLOGIES CORPORATION
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.