Granted Patent
Utility
US 6,452,872 · App. 09/566,945
Device for the oriented illumination of a surface by a microprism guide
Inventors:
Juan Manuel Teijido, Jean-Charles Poli, Joachim Grupp, Hans Peter Herzig
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: May 8, 2000
Inventors
Juan Manuel Teijido
Jean-Charles Poli
Joachim Grupp
Hans Peter Herzig
Assignee (at issue)
Asulab S.A.
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.