Granted Patent
Utility
US 5,256,096 · App. 07/729,251
Fluorescent lamp with improved phosphor coating and related process
Inventor:
Costas C. Lagos
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Jul 12, 1991
Inventor
Costas C. Lagos
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.