Granted Patent
Utility
US 6,130,403 · App. 09/124,849
Laser beam machining apparatus, control method therefor, and recording medium for recording a control program therefor
Inventor:
Koji Wakabayashi
Patented Case
View Patent ↗
Granted: Oct 10, 2000
Filed: Jul 30, 1998
Inventor
Koji Wakabayashi
Assignee (at issue)
NEC CORPORATION
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.