Granted Patent
Utility
US 5,572,573 · App. 08/186,202
Removable user interface for use with interactive electronic devices
Inventors:
Loren M. Sylvan, Adam N. Marx
Patented Case
View Patent ↗
Granted: Nov 5, 1996
Filed: Jan 25, 1994
Inventors
Loren M. Sylvan
Adam N. Marx
Assignee (at issue)
U S West Advanced Technologies, 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.