Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Topography measuring apparatus

Topography measuring apparatus

US Patent 4998819 · Granted Mar 12, 1991

Estimated economic value: $417,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for removing corneal tissue with infrared laser radiation1998
Titration emulation system and method1996
Method of establishing a unique machine independent reference frame for the eye1995
Methods and apparatus for laser sculpture of the cornea1993
Topography measuring apparatus1992
Topography measuring apparatus1991
Beam intensity profilometer1990
Sculpture apparatus for correcting curvature of the cornea1990
Eye restraining device1990
Topography measuring apparatus1990
Coarse flaw detector for printed circuit board inspection1987
Axisymmetric spatial/temporal encoder1983