Granted Patent
Utility
US 6,195,674 · App. 09/025,506
Fast DCT apparatus
Inventors:
Trevor Robert Elbourne, Mark Jackson Pulver
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Feb 18, 1998
Inventors
Trevor Robert Elbourne
Mark Jackson Pulver
Assignee (at issue)
CANON KABUSHIKI KAISHA
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.