Granted Patent
Utility
US 4,665,401 · App. 06/195,809
Millimeter wave length guidance system
Inventors:
John T. Garrard, Jack E. Gregg, Robert S. Roeder
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Oct 10, 1980
Inventors
John T. Garrard
Jack E. Gregg
Robert S. Roeder
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.