Granted Patent
Utility
US 5,629,721 · App. 08/218,234
Graphics display system
Inventor:
Richard A. Kirk
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Mar 28, 1994
Inventor
Richard A. Kirk
Assignee (at issue)
Crosfield Electronics Limited
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.