Granted Patent
Utility
US 6,359,563 · App. 09/247,688
‘Magneto-acoustic marker for electronic article surveillance having reduced size and high signal amplitude’
Inventor:
Giselher Herzer
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Feb 10, 1999
Inventor
Giselher Herzer
Assignee (at issue)
Vacuumschmelze GmbH & Co. KG
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.