Granted Patent
Utility
US 6,727,458 · App. 09/941,389
Energy-efficient, laser-based method and system for processing target material
Inventor:
Donald V. Smart
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Aug 28, 2001
Inventor
Donald V. Smart
Assignee (at issue)
GSI 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.