Granted Patent
Utility
US 6,232,851 · App. 09/247,380
Coupling structure for cavity resonators
Inventor:
Guanghua Huang
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Feb 10, 1999
Inventor
Guanghua Huang
Assignee (at issue)
ADC Solitra, 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.