Granted Patent
Utility
US 6,640,849 · App. 10/013,171
Wood lathe with a tracing unit
Inventor:
Juei-Seng Liao
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Dec 7, 2001
Inventor
Juei-Seng Liao
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.