Granted Patent
Utility
US 6,274,858 · App. 09/585,137
Bends in a compact circularly polarized microwave feed
Inventor:
William J. Alton
Patented Case
View Patent ↗
Granted: Aug 14, 2001
Filed: Jun 1, 2000
Inventor
William J. Alton
Assignee (at issue)
The Ferrite Company, 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.