Granted Patent
Utility
US 5,002,192 · App. 07/485,641
Bearing arrangement for railway drawbar connection
Inventor:
Horst T. Kaufhold
Patented Case
View Patent ↗
Granted: Mar 26, 1991
Filed: Feb 27, 1990
Inventor
Horst T. Kaufhold
Assignee (at issue)
AMSTED 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.