Granted Patent
Utility
US 5,864,447 · App. 08/641,884
Disk drive with stopper mechanism including a cushion member seated on a circumferential groove
Inventors:
Takashi Matsumoto, Norio Yagi
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: May 2, 1996
Inventors
Takashi Matsumoto
Norio Yagi
Assignee (at issue)
Fujitsu Limited
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.