Granted Patent
Utility
US 4,386,663 · App. 06/238,258
Cooled journal bearing
Inventor:
Rodolfo M. Ippolito
Patented Case
View Patent ↗
Granted: Jun 7, 1983
Filed: Feb 25, 1981
Inventor
Rodolfo M. Ippolito
Assignee (at issue)
Hughes Tool Company LLC
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.