Patents by Inventor Charles Roberson

Charles Roberson 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).

  • Publication number: 20220136168
    Abstract: The present invention provides a process for modifying the surface of a polyvinyl alcohol film or fabric by applying heat and pressure to the film or fabric to increase the moisture on the surface which is held by the fabric and to coalesce the surface fibers and reduce the porosity of the surface.
    Type: Application
    Filed: November 9, 2021
    Publication date: May 5, 2022
    Inventors: Novis Smith, Charles Roberson
  • Patent number: 11168441
    Abstract: The present invention provides a process for modifying the surface of a polyvinyl alcohol film or fabric by applying heat and pressure to the film or fabric to increase the moisture on the surface which is held by the fabric and to coalesce the surface fibers and reduce the porosity of the surface.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: November 9, 2021
    Assignee: Lakeland Industries, Inc.
    Inventors: Novis Smith, Charles Roberson
  • Publication number: 20180171545
    Abstract: The present invention provides a process for modifying the surface of a polyvinyl alcohol film or fabric by applying heat and pressure to the film or fabric to increase the moisture on the surface which is held by the fabric and to coalesce the surface fibers and reduce the porosity of the surface.
    Type: Application
    Filed: October 24, 2017
    Publication date: June 21, 2018
    Inventors: Novis Smith, Charles Roberson
  • Patent number: 9797073
    Abstract: The present invention provides a process for modifying the surface of a polyvinyl alcohol film or fabric by applying heat and pressure to the film or fabric to increase the moisture on the surface which is held by the fabric and to coalesce the surface fibers and reduce the porosity of the surface.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: October 24, 2017
    Assignee: Lakeland Industries, Inc.
    Inventors: Novis Smith, Charles Roberson
  • Patent number: 9523172
    Abstract: The present invention relates to novel polyvinyl alcohol non-woven films and fabrics which have been modified so as to have a breathable coalesced lower porosity surface polyvinyl alcohol layer attached to a fibrous polyvinyl alcohol layer by a transition layer. The fabrics are useful as clothing or wraps for inert articles.
    Type: Grant
    Filed: November 1, 2011
    Date of Patent: December 20, 2016
    Assignee: Lakeland Industries, Inc.
    Inventors: Novis Smith, Charles Roberson
  • Publication number: 20150159322
    Abstract: The present invention relates to novel polyvinyl alcohol non-woven films and fabrics which have been modified so as to have a breathable coalesced lower porosity surface polyvinyl alcohol layer attached to a fibrous polyvinyl alcohol layer by a transition layer. The fabrics are useful as clothing or wraps for inert articles.
    Type: Application
    Filed: November 1, 2011
    Publication date: June 11, 2015
    Inventors: Novis Smith, Charles Roberson
  • Publication number: 20130276069
    Abstract: Provided are systems and methods method for management of identity and relationships and more particularly to methods and systems for establishing and verifying the authority of a point of presence (POP) or another identity on the web to affirm a representation of an entity or individual.
    Type: Application
    Filed: March 14, 2013
    Publication date: October 17, 2013
    Inventors: Charles Roberson, David Hillard, Edgar Abadines
  • Patent number: 8293664
    Abstract: A process for producing a polyvinyl alcohol film or fabric having a modified non-porous surface which can be used to form disposable protective clothing, wraps, and articles similar to TYVEK® by impinging steam on at least one surface.
    Type: Grant
    Filed: July 18, 2011
    Date of Patent: October 23, 2012
    Assignee: LakeLand Industries, Inc.
    Inventors: Novis Smith, Charles Roberson
  • Patent number: 7937772
    Abstract: A breathable protective garment or laminate for protection against chemical and/or biologic agents which contains one or more scrim layers which contain anti-microbial and/or anti toxic chemical agents. The garment or laminate is also self-decontaminating.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: May 10, 2011
    Assignee: Lakeland Industries, Inc.
    Inventors: Novis Smith, Charles Roberson
  • Patent number: 7718555
    Abstract: A fabric for chemical protective garments having at least two multilayered film laminates separated by a scrim forming a barrier chamber. The laminates are sandwiched between films of linear low density polyethylene and contain a different film from each other selected from ethyl vinyl alcohol, polyethylene terephthalate and polyamide. There is also the garment prepared with the fabric.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: May 18, 2010
    Assignee: Lakeland Industries Inc
    Inventors: W. Novis Smith, Charles Roberson