Granted Patent
Utility
US 6,132,881 · App. 08/931,356
High light transmission, low-E sputter coated layer systems and insulated glass units made therefrom
Inventors:
Klaus W. Hartig, Philip J. Lingle, Steven L. Larson
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Sep 16, 1997
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.