Patents by Inventor Philip C. Hessburg

Philip C. Hessburg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Intraocular lens
    Patent number: 4442553
    Abstract: An intraocular lens designed for placement across the anterior chamber of the eye. The lens is of the non-rigid type and comprises a lens body having opposed support haptics of filament material shaped to provide controlled flexibility and wherein the free ends of each haptic loop are disposed in edge bores in the lens body disposed on radius lines passing through the optical center of the lens body which radius lines subtend an angle of from 2.degree. to 10.degree..
    Type: Grant
    Filed: September 17, 1981
    Date of Patent: April 17, 1984
    Inventor: Philip C. Hessburg
  • Intraocular lens haptic loop
    Patent number: D267041
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: November 23, 1982
    Inventor: Philip C. Hessburg
  • Intraocular lens haptic loop
    Patent number: D267197
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: December 7, 1982
    Inventor: Philip C. Hessburg