Granted Patent
Utility
US 5,483,400 · App. 08/176,406
Disk drive apparatus
Inventor:
Hitoshi Tsujino
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: Jan 3, 1994
Inventor
Hitoshi Tsujino
Assignee (at issue)
International Business Machines 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.