Granted Patent
Utility
US 4,513,421 · App. 06/395,847
Peripheral gain suppression in a laser medium
Inventor:
Albert B. Welch
Patented Case
View Patent ↗
Granted: Apr 23, 1985
Filed: Jul 6, 1982
Inventor
Albert B. Welch
Assignee (at issue)
LTV Aerospace and Defense Company
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.