Granted Patent
Utility
US 4,437,632 · App. 06/352,424
Reset apparatus for railroad track circuits
Inventor:
Robert D. Pascoe
Patented Case
View Patent ↗
Granted: Mar 20, 1984
Filed: Feb 25, 1982
Inventor
Robert D. Pascoe
Assignee (at issue)
American Standard Inc.
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.