Patents by Inventor William C. Hoffmeyer

William C. Hoffmeyer 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: 4849090
    Abstract: A roll of flexible plastic film bags formed of a continuous strip of bags with transverse severance lines between the individual bags. The bags dispense in a forward direction from the roll with each following bag adhesively tacked to the roll with a resistance to release slightly greater than the resistance to release of the severance line for a stabilization of the roll as the leading bags are severed therefrom. The tack securing of each following bag is provided by the application of an adhesive to the inner face panel of each bag adjacent the mouth end thereof as the roll is being formed.
    Type: Grant
    Filed: May 11, 1988
    Date of Patent: July 18, 1989
    Assignee: Sonoco Products Company
    Inventors: Manson D. Case, Harry B. Wilfong, Jr., William C. Hoffmeyer