Granted Patent
Utility
US 6,649,864 · App. 10/076,301
Method of laser drilling
Inventors:
Hubert De Steur, Hans Juergen Mayer, Otto Märten, Christian Overmann, Wei Pan, Eddy Roelants, Martin Wehner
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Feb 19, 2002
Inventors
Hubert De Steur
Hans Juergen Mayer
Otto Märten
Christian Overmann
Wei Pan
Eddy Roelants
Martin Wehner
Assignee (at issue)
Siemens Aktiengesellschaft
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.