Granted Patent
Utility
US 6,812,906 · App. 10/138,855
Broadband quardifilar helix with high peak gain on the horizon
Inventors:
Mark Lawrence Goldstein, Richard J. Nink, William D. Killen
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: May 3, 2002
Inventors
Mark Lawrence Goldstein
Richard J. Nink
William D. Killen
Assignee (at issue)
HARRIS 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.