Patents by Inventor Per H. Hjalmarsson

Per H. Hjalmarsson 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).

  • Toothpick
    Patent number: D270100
    Type: Grant
    Filed: May 13, 1980
    Date of Patent: August 9, 1983
    Assignee: Tubex AB
    Inventor: Per H. Hjalmarsson
  • Combined drink container and straw
    Patent number: D296664
    Type: Grant
    Filed: September 11, 1985
    Date of Patent: July 12, 1988
    Assignee: Tubex AB
    Inventor: Per H. Hjalmarsson