Patents Assigned to Rainstix R & D Partners Ltd.
  • Collapsible diposable umbrella
    Patent number: 4821756
    Abstract: The invention is described toward a collapsible disposable umbrella formed from plastic, polyethylene and/or kraft paper components. The invention has a tubular container that serves as a handle when the umbrella is in use. The other components of the unit are stored within the container and when partially removed therefrom, an umbrella support structure expands and locks into position with a few simple movements.
    Type: Grant
    Filed: March 15, 1988
    Date of Patent: April 18, 1989
    Assignee: Rainstix R & D Partners Ltd.
    Inventor: Daniel L. England