Granted Patent
Utility
US 4,254,363 · App. 05/972,402
Electrodeless coupled discharge lamp having reduced spurious electromagnetic radiation
Inventor:
Peter J. Walsh
Patented Case
View Patent ↗
Granted: Mar 3, 1981
Filed: Dec 22, 1978
Inventor
Peter J. Walsh
Assignee (at issue)
Duro-Test 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.