Granted Patent
Utility
US 5,808,263 · App. 08/827,736
Method and apparatus for electroerosive machining
Inventor:
Ivano Beltrami
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Apr 10, 1997
Inventor
Ivano Beltrami
Assignee (at issue)
AGIE SA
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.