Granted Patent
Utility
US 4,813,006 · App. 06/067,193
Analog-digital correlator
Inventors:
Richard J. Burns, Kenneth R. Grim, Miguel Levy
Patented Case
View Patent ↗
Granted: Mar 14, 1989
Filed: Jun 29, 1987
Inventors
Richard J. Burns
Kenneth R. Grim
Miguel Levy
Assignee (at issue)
Hughes Aircraft 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.