Granted Patent
Utility
US 4,654,667 · App. 06/685,175
Signal-acquisition system for a circular array
Inventors:
John T. Apostolos, Robert H. Carrier
Patented Case
View Patent ↗
Granted: Mar 31, 1987
Filed: Dec 21, 1984
Inventors
John T. Apostolos
Robert H. Carrier
Assignee (at issue)
Sanders GmbH
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.