Granted Patent
Utility
US 5,148,338 · App. 07/612,768
Disk drive spindle hub assembly
Inventor:
Tave Fruge
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: Nov 14, 1990
Inventor
Tave Fruge
Assignee (at issue)
Digital Equipment Corporation
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.