Granted Patent
Utility
US 5,850,068 · App. 08/867,813
Focus control of lasers in material processing operations
Inventors:
Christopher N. Peters, Julian D. C. Jones, Duncan Paul Hand, Francis Martin Haran
Patented Case
View Patent ↗
Granted: Dec 15, 1998
Filed: Jun 3, 1997
Inventors
Christopher N. Peters
Julian D. C. Jones
Duncan Paul Hand
Francis Martin Haran
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.