Granted Patent
Utility
US 5,990,218 · App. 09/197,000
Polymeric magnet compound
Inventors:
Valerie Anne Hill, Michael Gozdiff
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Nov 20, 1998
Inventors
Valerie Anne Hill
Michael Gozdiff
Assignee (at issue)
THE GOODYEAR TIRE & RUBBER COMPANY
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.