Granted Patent
Utility
US 6,639,758 · App. 09/791,993
Disk drive apparatus including a load/unload ramp with different angles for standard and depopulated versions
Inventors:
Mutsuro Ohta, Hiroshi Matsuda, Takahide Nakamura, Keishi Takahashi
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Feb 21, 2001
Inventors
Mutsuro Ohta
Hiroshi Matsuda
Takahide Nakamura
Keishi Takahashi
Assignee (at issue)
Hitachi Global Storage Technologies Netherlands B.V.
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.