Patents by Inventor John Alfred Laughlin

John Alfred Laughlin 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).

  • Mechanical desizing and abrading apparatus
    Patent number: 5782111
    Abstract: A rotary drum washer having an abrasive structure therein for treating fabrics or garments in a wash medium and a method of abrading fabrics or garments employing the abrasive structure to produce a controlled abrasion of the fabrics or garments are disclosed. The abrasive structure is formed with a multiplicity of protrusions and abrading tumbling ribs.
    Type: Grant
    Filed: July 2, 1996
    Date of Patent: July 21, 1998
    Assignee: Sights Denim Systems Inc
    Inventors: James Barton Sights, Lewis Shane Smithhart, John Alfred Laughlin, Richard Allen Gaines