Granted Patent
Utility
US 6,820,976 · App. 10/394,651
Eyeglass with flip-up auxiliary lens assembly
Inventor:
Thierry Ifergan
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Mar 24, 2003
Inventor
Thierry Ifergan
Assignee (at issue)
Chic Optic, Inc.
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.