Granted Patent
Utility
US 6,178,068 · App. 09/178,000
Quasi contact head having a disk contacting portion
Inventor:
Masaharu Sugimoto
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Oct 23, 1998
Inventor
Masaharu Sugimoto
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.