Granted Patent
Utility
US 5,641,669 · App. 08/318,905
Platelet-activating factor acetylhydrolase
Inventors:
Lawrence S. Cousens, Christine D. Eberhardt, Patrick Gray, Hai Le Trong, Larry W. Tjoelker, Cheryl L. Wilder
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: Oct 6, 1994
Inventors
Lawrence S. Cousens
Christine D. Eberhardt
Patrick Gray
Hai Le Trong
Larry W. Tjoelker
Cheryl L. Wilder
Assignee (at issue)
ICOS 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.