Patents Assigned to Quest Product Development, Ltd.
  • Height adjustment apparatus
    Patent number: 4728072
    Abstract: A mechanical height adjustment apparatus having a tubular telescopic body portion powered by a spring-loaded nut on a tubular threaded shaft and in which the same spring means acts to close a friction clutch that is selectively releasable by lever means relatively displacing the clutch surfaces as desired.
    Type: Grant
    Filed: February 9, 1987
    Date of Patent: March 1, 1988
    Assignee: Quest Product Development, Ltd.
    Inventor: Terry L. Mitchell
  • Storage unit module
    Patent number: 4558797
    Abstract: A storage unit module in which a plurality of selectively dimensioned panels are assembled with a plurality of correspondingly dimensioned edge extrusions and with connectors having corner tie downs for assembling space enclosures amendable to size and space adjustment using the standard selected elements and permitting a wide range of panel materials gasketed for weatherproofing. Ingress and egress means are integrated into the structure as desired.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: December 17, 1985
    Assignee: Quest Product Development, Ltd.
    Inventor: Terry L. Mitchell