Granted Patent
Utility
US 6,590,531 · App. 09/863,975
Planar, fractal, time-delay beamformer
Inventors:
William E. McKinzie, III, James D. Lilly
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: May 23, 2001
Inventors
William E. McKinzie, III
James D. Lilly
Assignee (at issue)
E-Tenna Corporation
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.