Patents by Inventor Donald D. Buettner

Donald D. Buettner 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: 4761872
    Abstract: A pillow (10) has a filler comprised of a foam rubber core (16) around which is spirally wrapped a polyester fiber batting (28). Circular end walls (13) are formed by drawing together extensions of a tubular casing (12) after the filler has been thereinto inserted in a pre-compressed condition. A method of making the pillow comprises snugly fitting an end of the extended casing (12) over the small end of a tapered tube (33), placing the rolled core (16) and batting (28) into a plastic bag (34), pushing the bag (34) and filler through the large end of the tapered tube (33) into the extended casing, removing the casing (12) from the tapered tube (33), removing the bag from the free end of the casing (12), and then forming the casing end walls (13) by pulling and tying drawstrings (27).
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: August 9, 1988
    Inventors: E. Jane Buettner, Donald D. Buettner