Granted Patent
Utility
US 4,554,355 · App. 06/632,573
Heterocyclic compounds as antiallergic agents
Inventor:
John H. Musser
Patented Case
View Patent ↗
Granted: Nov 19, 1985
Filed: Jul 19, 1984
Inventor
John H. Musser
Assignee (at issue)
Amerimas Home Products, 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.