Patents by Inventor James O. Blankenship

James O. Blankenship 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).

  • Patent number: 4184237
    Abstract: A mixture of shredded polyurethane foam pieces and pieces of polyester matting is placed in a bag formed of polyester matting which is in turn placed in a cover formed of upholstery material to provide a soft, resilient seat cushion.
    Type: Grant
    Filed: August 31, 1978
    Date of Patent: January 22, 1980
    Assignee: Sofisti-Caire Furniture Mfg. Inc.
    Inventor: James O. Blankenship