Granted Patent
Utility
US 5,756,521 · App. 08/816,585
Chroman-2-ylmethylamino derivatives
Inventor:
Richard E. Mewshaw
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Mar 13, 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.