Patents by Inventor Darleen Collins

Darleen Collins 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).

  • Non-slip soft sock for a ladder
    Patent number: D970753
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: November 22, 2022
    Inventors: Barry Collins, Darleen Collins