Granted Patent
Utility
US 4,353,310 · App. 06/199,145
Cushioned railway car center plate assembly
Inventor:
Steven L. Jantzen
Patented Case
View Patent ↗
Granted: Oct 12, 1982
Filed: Oct 22, 1980
Inventor
Steven L. Jantzen
Assignee (at issue)
ACF Industries Incorporated
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.