Granted Patent
Utility
US 5,454,070 · App. 08/181,248
Pixel to spline based region conversion method
Inventors:
Ross A. Donelly, Jim Mulhearn
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Jan 13, 1994
Inventors
Ross A. Donelly
Jim Mulhearn
Assignees (at issue)
CANON KABUSHIKI KAISHA
Canon Information Systems Research Australia 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.