Granted Patent
Utility
US 6,540,952 · App. 10/100,364
Laser ablation of multiple layers
Inventors:
James A. LaPoint, Elizabeth Frazee
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Mar 18, 2002
Inventors
James A. LaPoint
Elizabeth Frazee
Assignee (at issue)
Preco Laser Systems, LLC
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.