Granted Patent
Utility
US 5,705,924 · App. 08/797,013
Hall effect sensor for detecting an induced image magnet in a smooth material
Inventor:
Frederick J. Jeffers
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: Feb 7, 1997
Inventor
Frederick J. Jeffers
Assignee (at issue)
EASTMAN KODAK 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.