Granted Patent
Utility
US 6,250,759 · App. 09/469,916
Eyeglass lens with multiple optical zones having varying optical properties for enhanced visualization of different scenes in outdoor recreational activities
Inventors:
David V. Kerns, Jr., J. Paul Moore
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Dec 22, 1999
Inventors
David V. Kerns, Jr.
J. Paul Moore
Assignee (at issue)
Peakvision LLC
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.