Granted Patent
Utility
US 6,545,643 · App. 09/658,140
Extendable planar diversity antenna
Inventors:
Douglas Alan Sward, Brent D. Madsen, Carlos Rios, Jeffrey L. Jones, Robert Yarbrough, Nhan T. Nguyen
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Sep 8, 2000
Inventors
Douglas Alan Sward
Brent D. Madsen
Carlos Rios
Jeffrey L. Jones
Robert Yarbrough
Nhan T. Nguyen
Assignee (at issue)
3Com Corporation
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.