Granted Patent
Utility
US 5,756,378 · App. 08/604,809
Method of and apparatus for laser processing
Inventor:
Kunio Arai
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Feb 23, 1996
Inventor
Kunio Arai
Assignee (at issue)
Hitachi Seiko Ltd.
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.