Granted Patent
Utility
US 6,766,136 · App. 10/403,539
Development systems for magnetic toners and toners having reduced magnetic loadings
Inventors:
Thomas A. Jadwin, John F. Crichton, Robert D. Fields, Eric C. Stelter
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Mar 31, 2003
Inventors
Thomas A. Jadwin
John F. Crichton
Robert D. Fields
Eric C. Stelter
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.