Granted Patent
Utility
US 6,373,442 · App. 09/378,539
Antenna for a parking meter
Inventors:
David L. Thomas, Bradley L. Gilbert, Lawrence W. Hickey
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Aug 20, 1999
Inventors
David L. Thomas
Bradley L. Gilbert
Lawrence W. Hickey
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.