Granted Patent
Utility
US 5,505,283 · App. 08/400,807
High current harp for an electric trolley bus
Inventor:
Steven C. Rumsey
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Mar 8, 1995
Inventor
Steven C. Rumsey
Assignee (at issue)
Westinghouse Air Brake Co.
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.