Granted Patent
Utility
US 5,434,572 · App. 08/255,088
System and method for initiating communications between a controller and a selected subset of multiple transponders in a common RF field
Inventor:
Gregory M. Smith
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Jun 7, 1994
Inventor
Gregory M. Smith
Assignee (at issue)
RAMTRON INTERNATIONAL 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.