Granted Patent
Utility
US 6,175,778 · App. 09/089,223
Computer vision-based rotor machining system apparatus and method
Inventors:
Hong Xu, Donald L. Burgoon
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Jun 3, 1998
Inventors
Hong Xu
Donald L. Burgoon
Assignee (at issue)
Performance Friction Corporation
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.