Granted Patent
Utility
US 6,132,642 · App. 08/270,089
Method of preparing small particle size phosphors
Inventor:
James Kane
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jul 1, 1994
Inventor
James Kane
Assignee (at issue)
Sarnoff 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.