Granted Patent
Utility
US 5,940,253 · App. 09/048,873
Laminated plated pole pieces for thin film magnetic transducers
Inventors:
Michael Mallary, Kofi Gyasi
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Mar 26, 1998
Inventors
Michael Mallary
Kofi Gyasi
Assignee (at issue)
Quantum 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.