Granted Patent
Utility
US 6,571,582 · App. 09/838,727
Manufacture of silica bodies using sol-gel techniques
Inventors:
Suhas Bhandarkar, Yoram De Hazan, John B. MacChesney, Thomas Edward Stockert
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Apr 19, 2001
Inventors
Suhas Bhandarkar
Yoram De Hazan
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.