Granted Patent
Utility
US 4,457,716 · App. 06/283,411
Performance monitor system for aircraft simulator
Inventors:
Eldon D. Eserhaut, Donald E. Gutridge, Ray F. McNally, Adolph P. Stumpf
Patented Case
View Patent ↗
Granted: Jul 3, 1984
Filed: Jul 15, 1981
Inventors
Eldon D. Eserhaut
Donald E. Gutridge
Ray F. McNally
Adolph P. Stumpf
Assignee (at issue)
The Singer Company 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.