Granted Patent
Utility
US 6,610,136 · App. 10/104,255
Pigments for ink jet paper
Inventors:
Prakash B. Malla, Siva Devisetti
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: Mar 21, 2002
Inventors
Prakash B. Malla
Siva Devisetti
Assignee (at issue)
Thiele Kaolin 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.