Granted Patent
Utility
US 6,678,116 · App. 09/922,546
Thin-film magnetic recording head having a timing-based gap pattern for writing a servo track on magnetic media
Inventor:
Matthew P. Dugas
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Aug 3, 2001
Inventor
Matthew P. Dugas
Assignee (at issue)
ADVANCED RESEARCH CORPORATION
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.