Granted Patent
Utility
US 6,007,741 · App. 09/136,671
Method of making luminescent metaborates
Inventors:
Roger B. Hunt, Jr., Michael Krebs
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Aug 19, 1998
Inventors
Roger B. Hunt, Jr.
Michael Krebs
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.