Patents by Inventor David C. Dunfee

David C. Dunfee 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).

  • Waterbed sheet and insert means therefor
    Patent number: 4686726
    Abstract: A waterbed mattress sheet an insert, combination having waterbed sheet flaps defining pockets into which resilient, sheet-anchoring inserts can be placed, serving to secure the sheet over the waterbed mattress since the inserts conform in shape to the sides of the mattress and extend underneath the lower edge portions of mattress a short distance, being wedged between the matress and its support frame by the weight of the water in the waterbed mattress and any load placed thereon and being removably restrained in that position by the weight of the waterbed mattress and any load placed thereon against wrinkling, folding, creasing or slipping.
    Type: Grant
    Filed: June 4, 1986
    Date of Patent: August 18, 1987
    Inventor: David C. Dunfee