Granted Patent
Utility
US 5,454,071 · App. 08/053,365
Method and apparatus for performing object sorting and edge calculation in a graphic system
Inventors:
Kia Siverbrook, Simon Robert Walmsley
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Apr 28, 1993
Inventors
Kia Siverbrook
Simon Robert Walmsley
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.