Granted Patent
Utility
US 4,521,708 · App. 06/589,810
Motor bearing with locking pins
Inventor:
Joseph E. Vandevier
Patented Case
View Patent ↗
Granted: Jun 4, 1985
Filed: Mar 15, 1984
Inventor
Joseph E. Vandevier
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.