Granted Patent
Utility
US 4,585,673 · App. 06/718,096
Method for coating phosphor particles
Inventor:
A. Gary Sigai
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Apr 3, 1985
Inventor
A. Gary Sigai
Assignee (at issue)
GTE Laboratories Incorporated
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.