Granted Patent
Utility
US 5,872,549 · App. 08/640,325
Feed network for quadrifilar helix antenna
Inventors:
Son Huy Huynh, Chun-Hong Chen, Jack S. Mc Laren, Donnie H. Briscoe
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Apr 30, 1996
Inventors
Son Huy Huynh
Chun-Hong Chen
Jack S. Mc Laren
Donnie H. Briscoe
Assignee (at issue)
TRW Limited
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.