Granted Patent
Utility
US 6,038,489 · App. 08/952,923
Machine tools
Inventors:
John Pickles, Selwyn Jonathan Griffiths
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Nov 24, 1997
Inventors
John Pickles
Selwyn Jonathan Griffiths
Assignee (at issue)
Unova UK Limited
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.