Patents by Inventor Anders P. Hellberg

Anders P. Hellberg 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).

  • Telephone
    Patent number: D781262
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: March 14, 2017
    Assignee: DORO AB
    Inventor: Anders P. Hellberg
  • Hearing protector
    Patent number: D978443
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: February 14, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Gregory G. Jager, Douglas D. Fletcher, Jason T. Lunn, Eric O. Hemberg, Oscar M. Hemberg, Anders P. Hellberg, Marco D'Adamo