Granted Patent
Utility
US 6,103,991 · App. 09/176,405
Laser machining apparatus
Inventors:
Nobushige Domae, Tomoshige Saso
Patented Case
View Patent ↗
Granted: Aug 15, 2000
Filed: Oct 20, 1998
Inventors
Nobushige Domae
Tomoshige Saso
Assignee (at issue)
Advantest 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.