Granted Patent
Utility
US 5,585,019 · App. 08/402,333
Laser machining of a workpiece through adjacent mask by optical elements creating parallel beams
Inventors:
Bo Gu, John H. Hunter
Patented Case
View Patent ↗
Granted: Dec 17, 1996
Filed: Mar 10, 1995
Inventors
Bo Gu
John H. Hunter
Assignee (at issue)
Lumonics 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.