Granted Patent
Utility
US 4,949,092 · App. 07/323,175
Modularized contoured beam direct radiating antenna
Inventors:
Timothy A. Crail, Sanford Shapiro
Patented Case
View Patent ↗
Granted: Aug 14, 1990
Filed: Mar 15, 1989
Inventors
Timothy A. Crail
Sanford Shapiro
Assignee (at issue)
Highes 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.