Granted Patent
Utility
US 6,064,550 · App. 09/040,760
Head actuator with dual drive means
Inventor:
Shinji Koganezawa
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Mar 18, 1998
Inventor
Shinji Koganezawa
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.