Granted Patent
Utility
US 6,603,391 · App. 09/265,082
Phase shifters, interrogators, methods of shifting a phase angle of a signal, and methods of operating an interrogator
Inventors:
Roy Greeff, David K. Ovard
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Mar 9, 1999
Inventors
Roy Greeff
David K. Ovard
Assignee (at issue)
Micron Technology, Inc.
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.