Patents by Inventor Lloyd T. Whitfield

Lloyd T. Whitfield 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).

  • Methods, Systems, and Devices for Securing Content
    Publication number: 20190246176
    Abstract: Methods, systems, and devices secure content in memory. The content includes a lock that prohibits reading the content from memory. Prior to expiration of the lock the content cannot be read from the memory. However, a preview option allows at least a portion of the content to be accessed. The preview option provides a preview of the content. At expiration, the content is readable.
    Type: Application
    Filed: April 18, 2019
    Publication date: August 8, 2019
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Lloyd T. Whitfield, Randy S. Zimler
  • Methods, systems, and devices for securing content
    Patent number: 10306317
    Abstract: Methods, systems, and devices secure content in memory. The content includes a lock that prohibits reading the content from memory. Prior to expiration of the lock the content cannot be read from the memory. However, a preview option allows at least a portion of the content to be accessed. The preview option provides a preview of the content. At expiration, the content is readable.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: May 28, 2019
    Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.
    Inventors: Lloyd T. Whitfield, Randy S. Zimler
  • Methods, Systems, and Devices for Securing Content
    Publication number: 20170289627
    Abstract: Methods, systems, and devices secure content in memory. The content includes a lock that prohibits reading the content from memory. Prior to expiration of the lock the content cannot be read from the memory. However, a preview option allows at least a portion of the content to be accessed. The preview option provides a preview of the content. At expiration, the content is readable.
    Type: Application
    Filed: June 23, 2017
    Publication date: October 5, 2017
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Lloyd T. Whitfield, Randy S. Zimler
  • Methods, systems, and devices for securing content
    Patent number: 9721110
    Abstract: Methods, systems, and devices secure content in memory. The content includes a lock that prohibits reading the content from memory. Prior to expiration of the lock the content cannot be read from memory. However, a preview option allows at least a portion of the content to be accessed. The preview option provides a preview of the content. At expiration, the content is readable.
    Type: Grant
    Filed: October 20, 2013
    Date of Patent: August 1, 2017
    Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.
    Inventors: Lloyd T. Whitfield, Randy S. Zimler
  • Methods, Systems, and Devices for Securing Content
    Publication number: 20140047552
    Abstract: Methods, systems, and devices secure content in memory. The content includes a lock that prohibits reading the content from memory until a date and time of expiration. However, early access to the content is available for a payment.
    Type: Application
    Filed: October 20, 2013
    Publication date: February 13, 2014
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Lloyd T. Whitfield, Randy S. Zimler
  • Methods, systems, and devices for securing content
    Patent number: 8590053
    Abstract: Methods, systems, and devices secure content in memory. The content includes a lock that prohibits reading the content from memory. Prior to expiration of the lock the content cannot be read from memory. However, a preview option allows at least a portion of the content to be accessed. The preview option provides a preview of the content. At expiration, the content is readable.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: November 19, 2013
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Lloyd T. Whitfield, Jr., Randy Zimler
  • Methods, Systems, and Devices for Securing Content
    Publication number: 20120260347
    Abstract: Methods, systems, and devices secure content in memory. The content includes a lock that prohibits reading the content from memory. Prior to expiration of the lock the content cannot be read from memory. At expiration, however, the content is readable.
    Type: Application
    Filed: June 22, 2012
    Publication date: October 11, 2012
    Applicant: AT&T INTELLECTUAL PROPERTY I, L.P.
    Inventors: Lloyd T. Whitfield, JR., Randy Zimler
  • Methods, systems, and devices for securing content
    Patent number: 8225410
    Abstract: Methods, systems, and devices secure content in memory. When the content is received, the content includes a lock that prohibits reading the content from memory. Prior to expiration of the lock the content cannot be read from memory. At expiration, however, the content is then readable.
    Type: Grant
    Filed: July 8, 2005
    Date of Patent: July 17, 2012
    Assignee: AT&T Intellectual Property I, L. P.
    Inventors: Lloyd T. Whitfield, Jr., Randy Zimler