Granted Patent
Utility
US 6,286,402 · App. 09/740,360
Multi-spindle CNC lathe
Inventors:
John G. Crudgington, Graham J. Crudgington
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Dec 19, 2000
Inventors
John G. Crudgington
Graham J. Crudgington
Assignee (at issue)
Crudgington Machine Tools, Inc
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.