Granted Patent
Utility
US 5,900,188 · App. 08/935,654
Yttrium tantalate x-ray phosphors with reduced persistence
Inventors:
Gregory A. Marking, Vaddi B. Reddy, Kenneth T. Reilly
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Sep 23, 1997
Inventors
Gregory A. Marking
Vaddi B. Reddy
Kenneth T. Reilly
Assignee (at issue)
OSRAM SYLVANIA Inc.
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.