Patents by Inventor Willem E. Pijzel

Willem E. Pijzel 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: D355993
    Type: Grant
    Filed: September 16, 1992
    Date of Patent: March 7, 1995
    Inventors: Willem E. Pijzel, Annemarie P. Cock Buning