Granted Patent
Utility
US 5,680,264 · App. 08/502,837
Dynamically damped magnetic recording circuit
Inventor:
Michinaga Yamagishi
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Jul 14, 1995
Inventor
Michinaga Yamagishi
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.