Granted Patent
Utility
US 6,248,285 · App. 09/408,163
Preparation of organic pieces of optical quality and especially organic lenses
Inventors:
David Henry, Andre Jean Vachet
Patented Case
View Patent ↗
Granted: Jun 19, 2001
Filed: Sep 29, 1999
Inventors
David Henry
Andre Jean Vachet
Assignee (at issue)
Corning SAS
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.