Granted Patent
Utility
US 6,069,774 · App. 09/326,599
Magnetic head support device for magnetic disc recording device
Inventors:
Toshihiro Arisaka, Tetsuya Hamaguchi, Keiko Watanabe, Toshihiko Shimizu
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Jun 7, 1999
Inventors
Toshihiro Arisaka
Tetsuya Hamaguchi
Keiko Watanabe
Toshihiko Shimizu
Assignee (at issue)
HITACHI, LTD.
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.