Granted Patent
Utility
US 4,496,644 · App. 06/470,124
Electric field adjustment for magnetic brushes
Inventors:
Antoun I. Ateya, Wei Lu
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: Feb 28, 1983
Inventors
Antoun I. Ateya
Wei Lu
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.