Patents by Inventor Johan Maria Alfons

Johan Maria Alfons 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).

  • Luggage support for bicycle
    Patent number: D470096
    Type: Grant
    Filed: December 26, 2001
    Date of Patent: February 11, 2003
    Inventors: Johan Maria Alfons Pierret, Karel Lydia Willem Pierret
  • Backpack with rear tunnel
    Patent number: D480866
    Type: Grant
    Filed: December 26, 2001
    Date of Patent: October 21, 2003
    Inventors: Johan Maria Alfons, Karel Willem Pierret
  • Luggage carrier for bicycle
    Patent number: D397189
    Type: Grant
    Filed: May 22, 1997
    Date of Patent: August 18, 1998
    Inventors: Johan Maria Alfons Pierret, Karel Lydia Willem Pierret