Granted Patent
Utility
US 6,424,501 · App. 09/606,851
Disk drive ramp structure having integrated discrete rigid support elements for data storage device
Inventors:
Hitoshi Tsujino, Keiichiro Yoshida, Jun Ishikawa, Shinichi Kimura
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Jun 29, 2000
Inventors
Hitoshi Tsujino
Keiichiro Yoshida
Jun Ishikawa
Shinichi Kimura
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.