Patents by Inventor Douglas H. Crook

Douglas H. Crook 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).

  • Behind door shelf assembly
    Patent number: 4228743
    Abstract: The shelf assembly described herein comprises a shelf arrangement designed for assembly by sliding in a limited manner doweled or tubed component parts into interlocking arrangement from the rear of the assembly. This has the advantages of a locked arrangement once the assembly is fastened to the back of a door and allows for greater structural strength and improved appearance of the front of the assembly.
    Type: Grant
    Filed: March 1, 1978
    Date of Patent: October 21, 1980
    Inventor: Douglas H. Crook