Granted Patent
Utility
US 4,679,197 · App. 06/711,237
Gyro free electron laser
Inventor:
Jang-Yu Hsu
Patented Case
View Patent ↗
Granted: Jul 7, 1987
Filed: Mar 13, 1985
Inventor
Jang-Yu Hsu
Assignee (at issue)
GA Technologies, Inc.
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.