Patents by Inventor Phillip Ellwanger

Phillip Ellwanger 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).

  • Quick connect retaining leash
    Patent number: 4941434
    Abstract: What is disclosed is a device which allows small animals to be tethered by a leash in vehicles and which allows the handler to quickly attach and detach the animal's leash to a car safety belt keeper member.
    Type: Grant
    Filed: August 11, 1988
    Date of Patent: July 17, 1990
    Inventor: Phillip Ellwanger