Patents by Inventor Daniel P. Ristow

Daniel P. Ristow 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: 5325310
    Abstract: A method and system in a data processing system, having a plurality of users enrolled therein and having a number of electronic mail objects which may be transmitted and received within the distributed data processing system, are provided for ensuring a specific response to a selected electronic mail object by a recipient thereof within the data processing system. The method and system include designating an electronic mail object as requiring a specific response and then transmitting the electronic mail object to a recipient. The recipient of the electronic mail object is prompted for a specific response in response to the recipient opening an electronic mail object and is prohibited from performing a selected action until the specific response has been entered by the recipient.
    Type: Grant
    Filed: June 26, 1992
    Date of Patent: June 28, 1994
    Assignee: International Business Machines Corporation
    Inventors: William J. Johnson, Daniel P. Ristow, Marvin L. Williams