Granted Patent
Utility
US 6,650,227 · App. 09/457,823
Reader for a radio frequency identification system having automatic tuning capability
Inventor:
John P. Bradin
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Dec 8, 1999
Inventor
John P. Bradin
Assignee (at issue)
HID 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.