Granted Patent
Utility
US 6,627,370 · App. 09/096,985
Hard carrier particles coated with a polymer resin and a conductive material
Inventors:
Dinesh Tyagi, Donna A. DiPrima, James H. Anderson
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Jun 12, 1998
Inventors
Dinesh Tyagi
Donna A. DiPrima
James H. Anderson
Assignee (at issue)
NexPress Solutions LLC
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.