Granted Patent
Utility
US 5,762,829 · App. 08/811,633
Wet silica gels for aerogel and xerogel thermal insulation and processes for the wet gels
Inventors:
Ravindra Deshpande, Lisa A. Stover
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Mar 5, 1997
Inventors
Ravindra Deshpande
Lisa A. Stover
Assignee (at issue)
ARMSTRONG WORLD INDUSTRIES, 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.