Granted Patent
Utility
US 6,692,831 · App. 10/310,854
Low-E matchable coated articles and methods of making same
Inventor:
Grzegorz Stachowiak
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Dec 6, 2002
Inventor
Grzegorz Stachowiak
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.