Granted Patent
Utility
US 4,471,263 · App. 06/355,678
Buttable display panels
Inventor:
Edgar L. Harvey
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: Mar 8, 1982
Inventor
Edgar L. Harvey
Assignee (at issue)
Burroughs, 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.