Granted Patent
Utility
US 6,812,909 · App. 10/085,140
Active semiconductor backplanes
Inventor:
William Crossland
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Mar 1, 2002
Inventor
William Crossland
Assignee (at issue)
QINETIQ 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.