Granted Patent
Utility
US 5,262,437 · App. 07/852,877
Homo-prostaglandin derivatives as ocular hypotensives
Inventor:
Ming Fai Chan
Patented Case
View Patent ↗
Granted: Nov 16, 1993
Filed: Mar 17, 1992
Inventor
Ming Fai Chan
Assignee (at issue)
Allergan, 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.