Granted Patent
Utility
US 5,817,690 · App. 08/909,800
4-aminoethoxy indolone derivatives
Inventor:
Richard E. Mewshaw
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Aug 12, 1997
Inventor
Richard E. Mewshaw
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.