Patents by Inventor Denise M. Bielen

Denise M. Bielen 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).

  • Collapsible animal leash
    Patent number: 4413589
    Abstract: A collapsible animal leash which may be attached to an animal collar having an endless loop member. The endless loop member may be held to itself thus collapsing a portion of the endless loop. A handle forms from a portion of the endless loop which does not collapse.
    Type: Grant
    Filed: April 30, 1982
    Date of Patent: November 8, 1983
    Inventors: Theodore J. Bielen, Jr., Denise M. Bielen