Granted Patent
Utility
US 5,448,437 · App. 07/991,791
Voice coil motor for disk drive
Inventor:
Naotoshi Katahara
Patented Case
View Patent ↗
Granted: Sep 5, 1995
Filed: Dec 17, 1992
Inventor
Naotoshi Katahara
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.