Granted Patent
Utility
US 6,030,671 · App. 09/005,293
Low emissivity window films
Inventors:
Peter Yang, Sepideh Yadollahi
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Jan 9, 1998
Inventors
Peter Yang
Sepideh Yadollahi
Assignee (at issue)
MSC Specialty Films, Inc.
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.