Patents by Inventor Ludwig Klaus Preidt

Ludwig Klaus Preidt 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: 8770600
    Abstract: A retail cart for use in storing and stocking merchandise and, more particularly, to a mobile polymeric retail cart which is easily assembled and disassembled without the need for tools having opposing forces in its construction lending rigidity to the overall structure and a plurality of slideably received shelving units.
    Type: Grant
    Filed: May 14, 2013
    Date of Patent: July 8, 2014
    Assignee: Effizient, LLC
    Inventors: Ludwig Klaus Preidt, Karl Ronald Chapel, Thomas A. Nakfoor
  • Patent number: 8739986
    Abstract: A retail cart for use in storing and stocking merchandise and, more particularly, to a mobile polymeric retail cart which is easily assembled and disassembled without the need for tools having opposing forces in its construction lending rigidity to the overall structure and a plurality of slideably received shelving units.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: June 3, 2014
    Assignee: Effizient, LLC
    Inventors: Ludwig Klaus Preidt, Karl Ronald Chapel
  • Publication number: 20130240472
    Abstract: A retail cart for use in storing and stocking merchandise and, more particularly, to a mobile polymeric retail cart which is easily assembled and disassembled without the need for tools having opposing forces in its construction lending rigidity to the overall structure and a plurality of slideably received shelving units.
    Type: Application
    Filed: May 14, 2013
    Publication date: September 19, 2013
    Applicant: Effizient, LLC
    Inventors: Ludwig Klaus Preidt, Karl Ronald Chapel, Thomas A. Nakfoor
  • Publication number: 20130146553
    Abstract: A retail cart for use in storing and stocking merchandise and, more particularly, to a mobile polymeric retail cart which is easily assembled and disassembled without the need for tools having opposing forces in its construction lending rigidity to the overall structure and a plurality of slideably received shelving units.
    Type: Application
    Filed: December 8, 2011
    Publication date: June 13, 2013
    Applicant: Effizient, LLC
    Inventors: Ludwig Klaus Preidt, Karl Ronald Chapel