Granted Patent
Utility
US 6,251,495 · App. 09/360,295
Low emissivity products and methods for making same
Inventors:
Elwin R. Wilson, Yi Pygn Fang
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Jul 22, 1999
Inventors
Elwin R. Wilson
Yi Pygn Fang
Assignee (at issue)
LOUISIANA-PACIFIC 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.