Granted Patent
Utility
US 6,647,152 · App. 10/056,595
Method and system for contouring reduction
Inventors:
Donald H. Willis, John Alan Hague
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Jan 25, 2002
Inventors
Donald H. Willis
John Alan Hague
Assignee (at issue)
Thomson Licensing
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.