Patents Assigned to AVA Tech International Ltd.
  • Patent number: 4565028
    Abstract: A stand for holding a tree or pole provided with a plurality of loop springs adapted automatically to accommodate tree trunks or poles of various diameters. The stand includes a plurality of stepped ribs below the springs, to secure a tree trunk or pole of a plurality of diameters, the springs and ribs together acting to hold a tree or pole in a secure, vertical position. Secondary, optional securement means are also provided by way of pivoting cams, in the event that the tree being supported is unusually heavy or large. The stand is effectively self-adjusting, to accommodate tree trunks and poles of a wide diameter range. The stand further incorporates a unitary water reservoir of commodious capacity.
    Type: Grant
    Filed: April 18, 1984
    Date of Patent: January 21, 1986
    Assignee: AVA Tech International Ltd.
    Inventor: Gerhard Stephan
  • Patent number: D287831
    Type: Grant
    Filed: May 30, 1984
    Date of Patent: January 20, 1987
    Assignees: Ava Tech International Ltd., M. R. St. Jacques Associates, Inc.
    Inventor: Gerhard Stephan