Patent Number: 6,254,236

Title: Parabolic and hyperbolic aspheric eyewear

Abstract: Piano lenses and associated eyewear incorporating parabolic and hyperbolic arcs are provided which are particularly useful in safety and recreational applications.

Inventors: Fecteau; Keith (Wilbraham, MA), Hall; James (Lincoln, RI), Desy; Raoul (Sturbridge, MA), Salce; John (Auburn, MA), Hasenauer; David M. (Monrovia, CA)

Assignee: Cabot Safety Intermediate Corporation

International Classification: A61F 9/02 (20060101); G02C 7/02 (20060101); G02C 007/02 ()

Expiration Date: 07/03/2018