Granted Patent
Utility
US 5,006,366 · App. 07/363,060
Photoluminescent material for outputting orange light with reduced phosphorescence after charging and a process for making same
Inventor:
Joseph Lindmayer
Patented Case
View Patent ↗
Granted: Apr 9, 1991
Filed: Jun 8, 1989
Inventor
Joseph Lindmayer
Assignee (at issue)
QUANEX CORPORATION
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.