Granted Patent
Utility
US 6,610,452 · App. 09/683,544
Toner compositions with surface additives
Inventors:
James R. Combes, Richard P. N. Veregin, Mary L. McStravick, Ronald J. Koch, Anita C. Van Laeken, Bing R. Hsieh
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: Jan 16, 2002
Inventors
James R. Combes
Richard P. N. Veregin
Mary L. McStravick
Ronald J. Koch
Anita C. Van Laeken
Bing R. Hsieh
Assignee (at issue)
Xerox Corporation
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.