Patents by Inventor Mark H. Roettgering

Mark H. Roettgering 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: 5771344
    Abstract: First and second data processing systems located at first and second sites are configured with the first data processing system having a primary memory unit at the first site and a mirror memory unit at the second site with the first and second sites coupled by a single-mode optical fiber. Fiber optic switches at the first and second sites can be reconfigured to coupled the mirror disc to the second data processing system with minimal delay.
    Type: Grant
    Filed: September 9, 1996
    Date of Patent: June 23, 1998
    Assignee: Tandem Computers Incorporated
    Inventors: Wing Ming Chan, Wouter Senf, Timothy C. K. Chou, Mark H. Roettgering, Nusret Yurutucu, Craig F. Adams