Granted Patent
Utility
US 4,466,965 · App. 06/401,752
Phthalazine compounds, compositions and use
Inventors:
David M. Stout, William L. Matier
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: Jul 26, 1982
Inventors
David M. Stout
William L. Matier
Assignee (at issue)
American Hospital Supply Corp.
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.