Granted Patent
Utility
US 5,734,351 · App. 08/654,687
Double-action antenna
Inventors:
Seppo Ojantakanen, Seppo Raatikainen, Petteri Annamaa, Tero Haapamaki
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: May 29, 1996
Inventors
Seppo Ojantakanen
Seppo Raatikainen
Petteri Annamaa
Tero Haapamaki
Assignee (at issue)
LK Products Oy
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.