Granted Patent
Utility
US 6,707,360 · App. 09/951,905
Switchable permanent magnetic device
Inventors:
Perry John Underwood, Franz Kocijan
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Sep 14, 2001
Inventors
Perry John Underwood
Franz Kocijan
Assignee (at issue)
The Aussie Kids Toy Company Pty 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.