Patents by Inventor Vishnu Persaud

Vishnu Persaud 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).

  • Unitary thumbtack and hook
    Patent number: D310954
    Type: Grant
    Filed: May 5, 1989
    Date of Patent: October 2, 1990
    Inventor: Vishnu Persaud