Her patents

Patricia Bath's U.S. patents:

Pat. No. 4,7443,60: Apparatus for ablating and removing cataract lenses, issued 17 May 1988.

Pat. No. 5,843,071: Method and apparatus for ablating and removing cataract lenses, issued 1 December 1998.

Pat. No. 5,919,186: Laser apparatus for surgery of cataractous lenses, issued 6 July 1999.

Pat. No. 6,083,192: Pulsed ultrasound method for fragmenting/emulsifying and removing cataractous lenses, issued 4 July 2000.







http://invention.smithsonian.org/centerpieces/ilives/bath/bath.html