Granted Patent
Utility
US 4,999,839 · App. 07/375,430
Amplifier-oscillator free electron laser
Inventor:
David A. G. Deacon
Patented Case
View Patent ↗
Granted: Mar 12, 1991
Filed: Jul 3, 1989
Inventor
David A. G. Deacon
Assignee (at issue)
Deacon Research
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.