Granted Patent
Utility
US 5,537,285 · App. 08/340,235
Digital output control device and method for operating
Inventors:
Robert J. Jenets, Craig Miller
Patented Case
View Patent ↗
Granted: Jul 16, 1996
Filed: Nov 16, 1994
Inventors
Robert J. Jenets
Craig Miller
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.