Granted Patent
Utility
US 4,872,895 · App. 06/940,392
Method for fabricating articles which include high silica glass bodies
Inventors:
James W. Fleming, David W. Johnson, Jr., John B. MacChesney, Sandra A. Pardenek
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: Dec 11, 1986
Inventors
James W. Fleming
David W. Johnson, Jr.
John B. MacChesney
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.