Granted Patent
Utility
US 4,550,444 · App. 06/543,562
Facility for intermittent transmission of information between guideway wayside equipment and vehicles moving along the guideway
Inventor:
Helmut Uebel
Patented Case
View Patent ↗
Granted: Oct 29, 1985
Filed: Oct 19, 1983
Inventor
Helmut Uebel
Assignee (at issue)
International Standard Electric 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.