Granted Patent
Utility
US 5,591,576 · App. 08/107,348
Sterol .DELTA.14 reductase screen
Inventors:
MARGARET LAI, Donald R. Kirsch, Martin Bard
Patented Case
View Patent ↗
Granted: Jan 7, 1997
Filed: Aug 16, 1993
Inventors
MARGARET LAI
Donald R. Kirsch
Martin Bard
Assignee (at issue)
American Cyanamid Company
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.