Granted Patent
Utility
US 6,087,990 · App. 09/241,719
Dual function communication antenna
Inventors:
Kevin Thill, William J. Liimatainen
Patented Case
View Patent ↗
Granted: Jul 11, 2000
Filed: Feb 2, 1999
Inventors
Kevin Thill
William J. Liimatainen
Assignee (at issue)
Antenna Plus, LLC
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.