Granted Patent
Utility
US 4,940,316 · App. 07/194,064
Apparatus and method for increasing the efficiency of an acousto optic diffractive device
Inventor:
Gerald B. Brandt
Patented Case
View Patent ↗
Granted: Jul 10, 1990
Filed: May 13, 1988
Inventor
Gerald B. Brandt
Assignee (at issue)
Westinghouse Electric Company LLC
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.