Patents by Inventor Greg Townsend

Greg Townsend 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).

  • Method and device for vas occlusion
    Patent number: 6513528
    Abstract: A pair of removable soft pliant plugs is inserted in the Vas to impede the flow of sperm to provide reversible male contraception.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: February 4, 2003
    Inventors: John Burton, Ricky James Ferraro, Jerome Socha, Greg Townsend
  • Method and device for vas occlusion
    Publication number: 20020059936
    Abstract: A pair of removable soft pliant plugs is inserted in the Vas to impede the flow of sperm to provide reversible male contraception.
    Type: Application
    Filed: November 21, 2001
    Publication date: May 23, 2002
    Inventors: John Burton, Ricky James Ferraro, Jerome Socha, Greg Townsend