Patents by Inventor Nicolaas A. Geertsma

Nicolaas A. Geertsma 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: 4468898
    Abstract: Building system in which the supporting elements are formed by partitions or plates (1-16) one group of plates (1,2,3,4) being placed in spaced apart parallel vertical planes with all plates (1,2,3,4) of said group having the same width in horizontal direction which width corresponds to the width of a cupboard the plates (1,2,3,4) of said group being placed between at least two vertical plates (9,10) which extend perpendicular to the plates of the first group. Preferably a third plate (18) or group of plates is placed in a horizontal plane between the vertical plates.
    Type: Grant
    Filed: March 25, 1982
    Date of Patent: September 4, 1984
    Inventor: Nicolaas A. Geertsma