Granted Patent
Utility
US 5,311,437 · App. 07/827,181
Materials selector tool
Inventors:
James A. Leal, Norma A. Saenz, Gary L. Janda, Donald R. Martin, William J. Ward, Jr.
Patented Case
View Patent ↗
Granted: May 10, 1994
Filed: Jan 28, 1992
Inventors
James A. Leal
Norma A. Saenz
Gary L. Janda
Donald R. Martin
William J. Ward, Jr.
Assignee (at issue)
Hughes Aircraft Company
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.