Granted Patent
Utility
US 4,831,333 · App. 06/906,226
Laser beam steering apparatus
Inventor:
Albert B. Welch
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: Sep 11, 1986
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.