Patents Assigned to Griffith Hack
  • Bed lifting apparatus
    Patent number: 8739329
    Abstract: A bed lifting apparatus comprising a base and a support frame connected by at least one linkage arm, the at least one linkage arm including at least one biasing arrangement arranged to maintain the base and the support frame in a spaced apart relationship, wherein, in use, when a bed is located on the support frame, the bed is maintained in a spaced apart relationship from a floor surface.
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: June 3, 2014
    Assignee: Griffith Hack
    Inventor: John Koorey