Granted Patent
Utility
US 6,544,321 · App. 10/036,614
Nanoscopic pigments
Inventors:
Maura A. Sweeney, Thomas W. Smith, Melvin D. Croucher
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Nov 7, 2001
Inventors
Maura A. Sweeney
Thomas W. Smith
Melvin D. Croucher
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.