Granted Patent
Utility
US 4,524,932 · App. 06/454,519
Railroad car wheel detector using hall effect element
Inventor:
Thomas A. Bodziak
Patented Case
View Patent ↗
Granted: Jun 25, 1985
Filed: Dec 30, 1982
Inventor
Thomas A. Bodziak
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.