Granted Patent
Utility
US 6,169,468 · App. 09/233,386
Closed microwave device with externally mounted thermal expansion compensation element
Inventor:
JOHN CHAVEZ
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Jan 19, 1999
Inventor
JOHN CHAVEZ
Assignee (at issue)
HUGHES ELECTRONICS LIMITED
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.