Granted Patent
Utility
US 6,830,822 · App. 10/449,278
Inorganic colors and related nanotechnology
Inventor:
Tapesh Yadav
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: May 30, 2003
Inventor
Tapesh Yadav
Assignee (at issue)
NanoProducts 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.