Granted Patent
Utility
US 6,624,723 · App. 09/901,059
Multi-channel frequency multiplexer with small dimension
Inventor:
Chi Wang
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Jul 10, 2001
Inventor
Chi Wang
Assignee (at issue)
Radio Frequency Systems 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.