Granted Patent
Utility
US 6,442,977 · App. 09/597,138
Sol-gel process for fabricating germanium-doped silica article
Inventors:
Suhas Bhandarkar, Frank J McNally, Thomas M. Putvinski
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Jun 20, 2000
Inventors
Suhas Bhandarkar
Frank J McNally
Thomas M. Putvinski
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.