Granted Patent
Utility
US 6,386,002 · App. 08/971,460
Process entailing sol-gel production of silica glass
Inventors:
Suhas Bhandarkar, David W. Johnson, Jr., John B. MacChesney, Thomas Edward Stockert
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Nov 17, 1997
Inventors
Suhas Bhandarkar
David W. Johnson, Jr.
John B. MacChesney
Thomas Edward Stockert
Assignee (at issue)
Fitel USA Corp.
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.