Patents by Inventor Lloyd T. Whitfield, Jr.

Lloyd T. Whitfield, Jr. 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: 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
  • 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
  • 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