Granted Patent
Utility
US 6,724,549 · App. 09/897,579
Magnetic medium transfer quality control device
Inventor:
Hironori Mine
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Jul 3, 2001
Inventor
Hironori Mine
Assignee (at issue)
FUJI ELECTRIC CO., LTD.
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.