Patents by Inventor Harold Duane Campbell

Harold Duane Campbell 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).

  • Managing Changes to Shared Electronic Documents Using Change History
    Publication number: 20140372369
    Abstract: Embodiments are disclosed for a system to manage changes to a shared electronic document. In embodiments, a client side method is used to manage changes to a shared electronic document. The method includes receiving a change to a locally stored rendition of a shared electronic document, and updating a change history. In embodiments, the change history captures the change made to the locally stored rendition of a shared electronic document. The method also includes sending information regarding the change to a server, receiving information regarding a master copy of the shared electronic document, and determining based on the received information the change was accepted by the server and applied to the master copy of the shared electronic document.
    Type: Application
    Filed: June 14, 2013
    Publication date: December 18, 2014
    Inventors: Alexander Babanov, Dan Y. Khen, Nicholas Ryan, David Samuel Gensburg, Harold Duane Campbell, Konrad Tupaj, Dmitri Kotchetov, Kartik Nathan, Douglas Allen Mangini, Jenefer Monroe