Granted Patent
Utility
US 6,014,872 · App. 09/031,840
Methods of making insulating glass units with neutral, high performance, durable low-E glass coating systems
Inventors:
Klaus W. Hartig, Philip J. Lingle, Steven L. Larson
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: Feb 27, 1998
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.