Granted Patent
Utility
US 6,623,846 · App. 09/797,903
Low-emissivity glass coatings having a layer of nitrided nichrome and methods of making same
Inventor:
Ronald E. Laird
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Mar 5, 2001
Inventor
Ronald E. Laird
Assignee (at issue)
Guardian Industries Corp.
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.