Patents by Inventor Klaas Kingma

Klaas Kingma 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).

  • Licorice strip or similar article
    Patent number: D283460
    Type: Grant
    Filed: June 24, 1983
    Date of Patent: April 22, 1986
    Assignee: R. G. Van Slooten's Suikerwerkfabriek B.V.
    Inventors: Charles Thomassen, Klaas Kingma, Reinder Huisman
  • Licorice strip or similar article
    Patent number: D309520
    Type: Grant
    Filed: June 15, 1987
    Date of Patent: July 31, 1990
    Assignee: R.G. Van Slooten's Suikerwerkfabriek B.V.
    Inventors: Charles Thomassen, Klaas Kingma, Reinder Huisman