Granted Patent
Utility
US 6,828,845 · App. 10/347,300
Analogue selector
Inventors:
John L. Pennock, Edward M. Granville
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Jan 21, 2003
Inventors
John L. Pennock
Edward M. Granville
Assignee (at issue)
Wolfson Microelectronics 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.