Granted Patent
Utility
US 5,330,989 · App. 07/943,614
Heterocycles substituted with biphenyl-3-cyclobutene-1,2-dione derivatives
Inventors:
Richard Soll, William A. Kinney
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Sep 11, 1992
Inventors
Richard Soll
William A. Kinney
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.