Granted Patent
Utility
US 5,410,402 · App. 08/184,995
Calibration standard for flying height tester having a wedge slider and a transparent disc held together
Inventors:
Yufeng Li, Peter R. Goglia, Christopher C. Zahn
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Jan 24, 1994
Inventors
Yufeng Li
Peter R. Goglia
Christopher C. Zahn
Assignee (at issue)
Seagate Technology LLC
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.