Granted Patent
Utility
US 5,019,796 · App. 07/455,117
Bar magnet for construction of a magnetic roller core
Inventors:
James K. Lee, Donald J. McJury, Michael A. Pickup, Kelly S. Robinson
Patented Case
View Patent ↗
Granted: May 28, 1991
Filed: Dec 22, 1989
Inventors
James K. Lee
Donald J. McJury
Michael A. Pickup
Kelly S. Robinson
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.