Granted Patent
Utility
US 4,822,149 · App. 06/585,760
Prismatic ferroelectric beam steerer
Inventor:
Frederick Kubick
Patented Case
View Patent ↗
Granted: Apr 18, 1989
Filed: Mar 2, 1984
Inventor
Frederick Kubick
Assignee (at issue)
UNITED TECHNOLOGIES CORPORATION
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.