Granted Patent
Utility
US 4,237,793 · App. 06/030,035
Railway truck pedestal liner
Inventors:
Homer N. Holden, Reese Sumrall
Patented Case
View Patent ↗
Granted: Dec 9, 1980
Filed: Apr 13, 1979
Inventors
Homer N. Holden
Reese Sumrall
Assignee (at issue)
DayCo Holdings, LP
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.