Granted Patent
Utility
US 6,462,916 · App. 09/651,105
Magnetic disc apparatus
Inventor:
Hirotaka Hokkyo
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Aug 30, 2000
Inventor
Hirotaka Hokkyo
Assignee (at issue)
NEC 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.