Patents by Inventor Walter Schwendemann

Walter Schwendemann 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).

  • Database recovery apparatus and method
    Patent number: 5446884
    Abstract: A method, system and program for efficiently archiving and recovering a database is disclosed. The archiving process utilizes a reverse chronological order for the tape to facilitate efficient restoration of the database. The recovery processing utilizes a linked list to track record updates and avoid updating the same record with anything but the most current information.
    Type: Grant
    Filed: February 13, 1992
    Date of Patent: August 29, 1995
    Assignee: International Business Machines Corporation
    Inventors: Walter Schwendemann, Peter C. Wang