Granted Patent
Utility
US 4,345,256 · App. 06/216,455
Steerable directional antenna
Inventor:
Lawrence L. Rainwater
Patented Case
View Patent ↗
Granted: Aug 17, 1982
Filed: Dec 15, 1980
Inventor
Lawrence L. Rainwater
Assignee (at issue)
Sperry Corp.
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.