Granted Patent
Utility
US 6,281,468 · App. 09/524,559
Method and apparatus for producing a marking on an ophthalmic lens having a low surface energy
Inventors:
Thierry Souel, Edward de Rojas
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Mar 13, 2000
Inventors
Thierry Souel
Edward de Rojas
Assignee (at issue)
Essilor International (Compagnie Generale d'Optique)
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.