Granted Patent
Utility
US 6,188,512 · App. 09/184,416
Dual titanium nitride layers for solar control
Inventors:
Floyd E. Woodard, Yisheng Dai
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Nov 2, 1998
Inventors
Floyd E. Woodard
Yisheng Dai
Assignees (at issue)
Southwall Technologies Inc.
GMX Associates Pte Ltd
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.