Patents by Inventor Joseph S. Haas

Joseph S. Haas 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).

  • Artificial implant valve for the regulation of intraocular pressure
    Patent number: 4402681
    Abstract: An ophthalmic surgical valve implant apparatus for the control and relief of elevated intraocular pressure, by controlled and regulated drainage of intraocular fluid from the eye of a mammal to surrounding anatomical structures, which provides and assures proper and natural positioning of the drainage valve implant apparatus in the eye, encouraging comfortable and diffuse drainage.
    Type: Grant
    Filed: September 10, 1981
    Date of Patent: September 6, 1983
    Inventors: Joseph S. Haas, Gholam A. Peyman