Granted Patent
Utility
US 6,448,938 · App. 09/879,807
Method and apparatus for frequency selective beam forming
Inventors:
Bing Chiang, Kenneth M. Gainey, James A. Proctor, Jr.
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Jun 12, 2001
Inventors
Bing Chiang
Kenneth M. Gainey
James A. Proctor, Jr.
Assignee (at issue)
Tantivy Communications, 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.