Granted Patent
Utility
US 5,222,441 · App. 07/898,703
Fastening device for a railroad car truck rocker seat
Inventor:
Hans B. Weber
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Jun 15, 1992
Inventor
Hans B. Weber
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.