Granted Patent
Utility
US 6,516,633 · App. 09/935,065
Photochromic glass nanoparticles and methods of preparation
Inventors:
Lael Erskine, Dan B. Millward, David S. Soane
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Aug 22, 2001
Inventors
Lael Erskine
Dan B. Millward
David S. Soane
Assignee (at issue)
Nanotex 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.