Granted Patent
Utility
US 6,570,595 · App. 09/344,409
Exclusive use display surface areas and persistently visible display of contents including advertisements
Inventor:
Swain W. Porter
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Jun 24, 1999
Inventor
Swain W. Porter
Assignee (at issue)
Xoucin, 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.