Granted Patent
Utility
US 5,620,260 · App. 08/348,125
Variable characteristic thrust bearing
Inventor:
Russell D. Ide
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Nov 28, 1994
Inventor
Russell D. Ide
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.