Granted Patent
Utility
US 5,293,276 · App. 07/825,387
Method for generating a reference signal from unique servo mark pattern detection
Inventors:
Mary Elizabeth Dunn, David Norton
Patented Case
View Patent ↗
Granted: Mar 8, 1994
Filed: Jan 24, 1992
Inventors
Mary Elizabeth Dunn
David Norton
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.