Patents by Inventor Ralf Rosenberg

Ralf Rosenberg 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).

  • Handle for hand truck
    Patent number: D469446
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: January 28, 2003
    Assignee: BT Industries AB
    Inventor: Ralf Rosenberg