Patents by Inventor Hubert Jacob Vaessen

Hubert Jacob Vaessen 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).

  • Preservation of natural intestines
    Patent number: 3959502
    Abstract: A process is provided for preserving natural intestines by treating the intestines with a mild alkaline or acidic solution, followed by drying, preferably in stretched condition. The invention also provides the possibility of combining two or more intestines by drying the treated intestines in a position with overlapping edges.
    Type: Grant
    Filed: March 18, 1975
    Date of Patent: May 25, 1976
    Assignee: H. Vaessen B.V.
    Inventor: Hubert Jacob Vaessen