Granted Patent
Utility
US 6,211,829 · App. 09/448,486
High-efficient compact antenna means for a personal telephone with a small receiving depth
Inventors:
Ulf Saldell, Stefan Lofgren
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Nov 24, 1999
Inventors
Ulf Saldell
Stefan Lofgren
Assignee (at issue)
Allgon AB
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.