Patents by Inventor Per Elvinsson

Per Elvinsson 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).

  • Arrangement in a wheeled appliance
    Patent number: 5417472
    Abstract: A walker or rollator has a first frame section (1) fitted with handles (6) and pivotally connected to a second frame section (2) such that the rollator can be collapsed. Stays (9, 11) extend between the frame sections (1, 2) and are pivotally secured in each respective frame section and which, in a locking position, maintain the rollator in the position of use. A seat surface (15) is, with a first edge portion, pivotally connected to a joint (13) which connects the stays (9, 11) to one another, and with a second edge portion supportable on support member (16) on the one stay (11) adjacent the joint connection (12) thereof with the frame section (1). The load of the user on the seat surface (15) influences the stays (9, 11) towards the locking position.
    Type: Grant
    Filed: April 29, 1993
    Date of Patent: May 23, 1995
    Assignee: Etac AB
    Inventor: Per Elvinsson
  • Rolling walker
    Patent number: D372890
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: August 20, 1996
    Assignee: Etac AB
    Inventors: Morgan Ferm, Per Elvinsson