Granted Patent
Utility
US 4,448,729 · App. 06/411,200
Leucotriene antagonists
Inventors:
Dieter Klaubert, Anthony Kreft, Stanley C. Bell
Patented Case
View Patent ↗
Granted: May 15, 1984
Filed: Aug 25, 1982
Inventors
Dieter Klaubert
Anthony Kreft
Stanley C. Bell
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.