Granted Patent
Utility
US 4,889,935 · App. 07/374,114
Aminoguanidine derivatives
Inventor:
John H. Musser
Patented Case
View Patent ↗
Granted: Dec 26, 1989
Filed: Jun 30, 1989
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.