Granted Patent
Utility
US 6,642,897 · App. 10/125,786
Tuning techniques for a slot antenna
Inventors:
Ian J. Forster, Peter Robert George Horrell
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Apr 18, 2002
Inventors
Ian J. Forster
Peter Robert George Horrell
Assignee (at issue)
Marconi Communications GmbH
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.