Granted Patent
Utility
US 5,721,897 · App. 08/687,656
Browse by prompted keyword phrases with an improved user interface
Inventor:
Seymour I. Rubinstein
Patented Case
View Patent ↗
Granted: Feb 24, 1998
Filed: Jul 26, 1996
Inventor
Seymour I. Rubinstein
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.