Granted Patent
Utility
US 6,284,686 · App. 09/470,535
Lead and arsenic free borosilicate glass and lamp containing same
Inventor:
Richard C. Marlor
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Dec 22, 1999
Inventor
Richard C. Marlor
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.