Granted Patent
Utility
US 6,597,967 · App. 09/795,573
System and method for planning a tool path along a contoured surface
Inventors:
Ning Xi, Weihua Sheng
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Feb 28, 2001
Inventors
Ning Xi
Weihua Sheng
Assignee (at issue)
Board of Trustees Operating Michigan State University
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.