Patents by Inventor Manfred A. Nordstrom

Manfred A. Nordstrom 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: 4316423
    Abstract: A method for making the top panel and border of a hybrid waterbed mattress is described herein which includes sewing a top panel together with a flanging material along first and second parallel lines, sewing the top half of a zipper to the top panel and flanging material along third and fourth lines, the third line being spaced between the first and second lines and the fourth line being about along the first line, sewing the bottom half of the zipper to the side panel of the mattress and sewing a tape over the edges of the top panel, flanging material and top half of the zipper along a fifth line parallel with and intermediate the first and second lines.
    Type: Grant
    Filed: February 26, 1981
    Date of Patent: February 23, 1982
    Inventor: Manfred A. Nordstrom
  • Patent number: D269058
    Type: Grant
    Filed: April 6, 1981
    Date of Patent: May 24, 1983
    Inventor: Manfred A. Nordstrom