Granted Patent
Utility
US 5,837,108 · App. 08/908,180
Matchable, heat treatable, durable, ir-reflecting sputter-coated glasses and method of making same
Inventors:
Philip J. Lingle, Klaus W. Hartig, Steven L. Larson
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Aug 7, 1997
Inventors
Philip J. Lingle
Klaus W. Hartig
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.