Patents by Inventor Ronald T. Schams

Ronald T. Schams 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).

  • Strip material for forming flexible backed fasteners
    Patent number: 4216257
    Abstract: A strip material from which portions may be severed to form portions of fasteners, including a flexible bonding layer, U-shaped monofilaments bonded in the bonding layer and having headed projecting portions, a low density foam layer on the side of the bonding layer opposite the headed projections, and a layer of soft tacky pressure sensitive adhesive on the side of the layer of foam opposite the bonding layer.
    Type: Grant
    Filed: April 20, 1979
    Date of Patent: August 5, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Ronald T. Schams, James N. Brown