Granted Patent
Utility
US 6,807,315 · App. 09/659,836
Method and apparatus for sharpening an image
Inventors:
Simon Robert Walmsley, Paul Lapstun
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Sep 11, 2000
Inventors
Simon Robert Walmsley
Paul Lapstun
Assignee (at issue)
Silverbrook Research Pty 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.