Patents by Inventor Alvin D. Hildenbrand

Alvin D. Hildenbrand 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).

  • Food service vehicle
    Patent number: D297626
    Type: Grant
    Filed: October 21, 1985
    Date of Patent: September 13, 1988
    Assignee: Enterprise Industries, Inc.
    Inventors: Fred P. London, Alvin D. Hildenbrand