Patents by Inventor Lars-Erik Christiansson

Lars-Erik Christiansson 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).

  • Combined cassette box, lid and suspension handle
    Patent number: D348769
    Type: Grant
    Filed: June 18, 1992
    Date of Patent: July 19, 1994
    Assignee: ABA Systems Svenska Aktiebolag
    Inventors: Per-Ake Roskvist, Lars-Erik Christiansson
  • Case for floppy disks
    Patent number: D348770
    Type: Grant
    Filed: September 11, 1992
    Date of Patent: July 19, 1994
    Assignee: ABA Systems Svenska AB
    Inventor: Lars-Erik Christiansson