Granted Patent
Utility
US 4,468,966 · App. 06/413,615
Railroad track inspection car
Inventor:
Bruce W. Bradshaw
Patented Case
View Patent ↗
Granted: Sep 4, 1984
Filed: Sep 1, 1982
Inventor
Bruce W. Bradshaw
Assignee (at issue)
Jackson Jordan, 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.