Patents by Inventor Lars I Johnsson

Lars I Johnsson 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).

  • Patent number: 6574923
    Abstract: An arrangement for a grandstand having a series of sections, each section having a pair of sloping joists each provided with a number of vertical seating beam pillars and a number of walkways between the joists. Fastening and securing devices are provided at an upper part of each seating beam pillar. The fastening devices are provided with first locking devices capable of receiving second locking devices provided at the ends of seating beams intended to be mounted between two opposite seating beam pillars on the joists. One of the locking means has a resilient element. The first locking device is provided with a female member and the second locking device is provided with a male member. The resilient element allows connection of the male and female members with one another to lock the members in their connected positions. The resilient element has at least one tongue provided in connection with one of the members.
    Type: Grant
    Filed: April 18, 2001
    Date of Patent: June 10, 2003
    Assignee: Sit Down Aktiebolag
    Inventors: Pär J Johnsson, Lars I Johnsson, Bo Johnsson
  • Patent number: D424711
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: May 9, 2000
    Assignee: Sit Down Export AB
    Inventors: Par J. Johnsson, Lars I. Johnsson, Bo Johnsson
  • Patent number: D435117
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: December 12, 2000
    Assignee: Sit Down Export AB
    Inventors: Par J. Johnsson, Lars I. Johnsson, Bo Johnsson