Patents by Inventor Gerardus Bernardus Kaal

Gerardus Bernardus Kaal 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).

  • Knee protector
    Patent number: D704898
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: May 13, 2014
    Assignees: Fento B.V., Erpro B.V.
    Inventors: Gerardus Bernardus Kaal, Rene Petrus Elbertus Van Rijn
  • Knee protector
    Patent number: D863568
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: October 15, 2019
    Assignee: Fento Knee Protection B.V.
    Inventor: Gerardus Bernardus Kaal