Granted Patent
Utility
US 5,009,521 · App. 07/522,472
Railway truck and bearing adapter therefor, and method for controlling relative motion between truck components
Inventor:
Donald Wiebe
Patented Case
View Patent ↗
Granted: Apr 23, 1991
Filed: May 11, 1990
Inventor
Donald Wiebe
Assignee (at issue)
A. Stucki Company Division of Hansen, 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.