Granted Patent
Utility
US 6,463,400 · App. 09/241,157
Quarter sectioning algorithm
Inventor:
Ian Barkley-Yeung
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Feb 1, 1999
Inventor
Ian Barkley-Yeung
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.