Granted Patent
Utility
US 5,754,354 · App. 08/345,583
Magnetic disk drive unit with complex magnetic head of variable reading width
Inventors:
Isamu Tomita, Tsuyoshi Furukawa
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Nov 28, 1994
Inventors
Isamu Tomita
Tsuyoshi Furukawa
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.