Granted Patent
Utility
US 4,870,902 · App. 07/175,035
Initiating system
Inventors:
James R. Simon, Donald C. True, Jacques Lafond
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Mar 29, 1988
Inventors
James R. Simon
Donald C. True
Jacques Lafond
Assignee (at issue)
CXA LTD./CXA LTEE
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.