Granted Patent
Utility
US 5,743,495 · App. 08/799,502
System for detecting broken rails and flat wheels in the presence of trains
Inventors:
Kenneth Brakeley Welles, II, Irfan Ali
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Feb 12, 1997
Inventors
Kenneth Brakeley Welles, II
Irfan Ali
Assignee (at issue)
General Electric 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.