Granted Patent
Utility
US 6,049,261 · App. 09/082,911
Collapsible pocket for changing the operating frequency of a microwave filter and a filter using the device
Inventor:
R. Glenn Thomson
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: May 22, 1998
Inventor
R. Glenn Thomson
Assignee (at issue)
COM DEV LTD.
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.