Granted Patent
Utility
US 6,726,992 · App. 10/464,208
Nano-engineered phosphors and related nanotechnology
Inventors:
Tapesh Yadav, Karl Pfaffenbach
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Jun 18, 2003
Inventors
Tapesh Yadav
Karl Pfaffenbach
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.