Granted Patent
Utility
US 6,220,059 · App. 08/772,659
Method of coating a UV-fiber with blocking layers and charging the fiber with hydrogen or deuterium
Inventors:
Karl-Friedrich Klein, Georg HILLRICHS, Ulrich Grzesik, Shigeru Yamagata
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Dec 23, 1996
Inventors
Karl-Friedrich Klein
Georg HILLRICHS
Ulrich Grzesik
Shigeru Yamagata
Assignees (at issue)
HERAEUS QUARZGLAS GMBH & CO. KG
SHIN-ETSU QUARTZ PRODUCTS CO., LTD.
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.