Patents by Inventor Lem L. Cox

Lem L. Cox 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).

  • Patent number: 6220610
    Abstract: A carrier for a gravity discharge, liquid reservoir is provided with a waste receptacle beneath the reservoir. The reservoir and receptacle are mounted to a mobile tubular frame. An upper shelf spans the space between the legs of the frame and supports the reservoir. A security strap is extensible across the front of the reservoir and around the front legs of the frame. Retaining brackets attach the receptacle to the frame.
    Type: Grant
    Filed: May 28, 1999
    Date of Patent: April 24, 2001
    Assignee: Alert Services, Inc.
    Inventor: Lem L. Cox
  • Patent number: 6109644
    Abstract: A utility wagon has a main beam and a removable handle, a removable tail member, first and second wheels, and two cross members. The cross members are provided with uprights which may be adjusted to accommodate various sizes of baskets and carriers.
    Type: Grant
    Filed: May 28, 1999
    Date of Patent: August 29, 2000
    Assignee: Alert Services, Inc.
    Inventor: Lem L. Cox
  • Patent number: 6047898
    Abstract: A portable fountain having a hand truck supporting a liquid reservoir. A control cabinet is attached to the upper portion of the truck. The control cabinet encloses a suction pump and the electronics to withdraw liquid from the reservoir. A multiplicity of hoses having control spouts are attached to a dispensing manifold in fluid communication with the suction pump.
    Type: Grant
    Filed: May 28, 1999
    Date of Patent: April 11, 2000
    Assignee: Alert Services, Inc.
    Inventor: Lem L. Cox