Granted Patent
Utility
US 4,912,222 · App. 07/207,840
Antihistamines related to cyproheptadine
Inventors:
Ronald C. Griffith, James J. Napier
Patented Case
View Patent ↗
Granted: Mar 27, 1990
Filed: Jun 17, 1988
Inventors
Ronald C. Griffith
James J. Napier
Assignee (at issue)
Fisons Ltd.
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.