Patents by Inventor Phillip N. Calvin

Phillip N. Calvin 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: 7870294
    Abstract: A method and apparatus for providing policy-based document control includes a client node, a collection agent, a policy engine, and a transformation server. The client node requests access to a resource. The collection agent gathers information about the client node. The policy engine receives the gathered information and makes an access control decision based on the received information. The transformation server transforms the contents of the file from a native format to a second format and presents the transformed contents of the file to the client node.
    Type: Grant
    Filed: October 1, 2004
    Date of Patent: January 11, 2011
    Assignee: Citrix Systems, Inc.
    Inventors: Ricky Gene Braddy, Timothy Ernest Simmons, Phillip N. Calvin