Granted Patent
Utility
US 5,926,139 · App. 08/887,021
Planar dual frequency band antenna
Inventor:
Ilya A. Korisch
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Jul 2, 1997
Inventor
Ilya A. Korisch
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.