Granted Patent
Utility
US 5,751,257 · App. 08/430,350
Programmable shelf tag and method for changing and updating shelf tag information
Inventor:
Jeffrey W. Sutherland
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Apr 28, 1995
Inventor
Jeffrey W. Sutherland
Assignee (at issue)
Teletransactions, 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.