Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Pigment colored contact lenses and method for making same

Pigment colored contact lenses and method for making same

US Patent 4668240 · Granted May 26, 1987

Estimated economic value: $29,001,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Contact lens disinfecting system1996
Method and apparatus for removing excess lens forming material1994
Ultraviolet absorbing hydrophilic corneal contact lenses1990
Hydrophilic colored contact lens1990
Hydrophilic colored contact lenses1989
Hydrophilic bifocal contact lens1985
Hydrophilic polymers and contact lenses of high water content1983
Hydrophylic contact lenses and methods for making same1983
Ultraviolet absorbing lenses1983
Contact lenses of high gas permeability and method1982
Ultraviolet absorbing corneal contact lenses1981
Contact lenses of high gas permeability1980