Granted Patent
Utility
US 6,809,731 · App. 10/042,540
System and method for rendering high-resolution critical items
Inventors:
Ronald J. Muffler, Harold Dee Gardiner
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Jan 8, 2002
Inventors
Ronald J. Muffler
Harold Dee Gardiner
Assignee (at issue)
Evans & Sutherland Computer Corporation
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.