Patents by Inventor Rolande E. Hall

Rolande E. Hall 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: 4321781
    Abstract: A process of producing a package for a product by heat-bonding through a heat sealable coating a first wall of porous spun bonded polyolefin material to a second and thicker wall of porous material, placing a product atop the first wall, draping a thermoformable film over the product, heating the film, drawing the film against the product and the first wall, and bonding the drawn film to the first wall during the drawing operation.
    Type: Grant
    Filed: June 2, 1980
    Date of Patent: March 30, 1982
    Assignee: Howmedica Management & Technical Services, Limited
    Inventor: Rolande E. Hall