Granted Patent
Utility
US 6,482,879 · App. 09/811,717
Composition for laser marking
Inventors:
Gerben Bernardus Wilhelmus Hieltjes, Johannes H. G. M. Lohmeijer, Franciscus Petrus Maria Mercx
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Mar 19, 2001
Inventors
Gerben Bernardus Wilhelmus Hieltjes
Johannes H. G. M. Lohmeijer
Franciscus Petrus Maria Mercx
Assignee (at issue)
General Electric Company
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.