Granted Patent
Utility
US 5,800,933 · App. 08/774,929
Neutral, high performance, durable low-E glass coating system and insulating glass units made therefrom
Inventors:
Klaus W. Hartig, Philip J. Lingle, Steven L. Larson
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Dec 27, 1996
Inventors
Klaus W. Hartig
Philip J. Lingle
Steven L. Larson
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.