Patents by Inventor Robert Arner

Robert Arner 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).

  • Convertible pet feeder and method
    Patent number: 4034715
    Abstract: A pet feeder which readily converts from a solid feeder to a liquid feeder. The feeder has only two physically distinct members; i.e., a feeding tray and a container which is adaptable to holding and delivering to the feeding tray either flowable solid or liquid material.
    Type: Grant
    Filed: March 5, 1976
    Date of Patent: July 12, 1977
    Assignee: Ralston Purina Company
    Inventor: Robert Arner