Granted Patent
Utility
US 4,538,525 · App. 06/487,979
Four-wheel passenger car truck
Inventors:
Keith L. Jackson, James J. Reece
Patented Case
View Patent ↗
Granted: Sep 3, 1985
Filed: Apr 25, 1983
Inventors
Keith L. Jackson
James J. Reece
Assignee (at issue)
Lukens General Industries, 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.