Patents by Inventor Berend L. Visser

Berend L. Visser 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: 4563859
    Abstract: A method of packaging products comprising positioning the products between two opposed sheet portions of flexible plastics material at lengthwise spaced locations. The sheet portions are sealed together along lines transverse to the lengthwise direction thereof and at locations between adjacent pairs of said products. Thereby generally tubular compartments are formed within which the products extend in end to end direction transverse to said lengthwise direction and are retained.
    Type: Grant
    Filed: July 13, 1983
    Date of Patent: January 14, 1986
    Assignee: Koninklijke Emballage Industrie Van Leer B.V.
    Inventor: Berend L. Visser