Granted Patent
Utility
US 4,767,429 · App. 06/940,393
Glass body formed from a vapor-derived gel and process for producing same
Inventors:
James W. Fleming, Sandra A. Pardenek
Patented Case
View Patent ↗
Granted: Aug 30, 1988
Filed: Dec 11, 1986
Inventors
James W. Fleming
Sandra A. Pardenek
Assignee (at issue)
American Telephone and Telegraph Company, AT&T Bell Laboratories
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.