Granted Patent
Utility
US 6,776,482 · App. 10/419,574
Optical lens securer device for spectacles
Inventor:
Tony Xin Xiao
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Apr 21, 2003
Inventor
Tony Xin Xiao
Assignee (at issue)
Viva International Group
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.