Granted Patent
Utility
US 6,313,746 · App. 09/556,410
Magnet marker strip and a method of producing a magnetic marker strip
Inventors:
Kurt Emmerich, Giselher Herzer
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Apr 24, 2000
Inventors
Kurt Emmerich
Giselher Herzer
Assignee (at issue)
Vacuumschelmze GmbH
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.