Granted Patent
Utility
US 5,521,029 · App. 08/392,441
Current collecting elements
Inventors:
Mary E. Fiorino, Jorge L. Valdes
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Feb 22, 1995
Inventors
Mary E. Fiorino
Jorge L. Valdes
Assignee (at issue)
AT&T CORP.
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.