Patents by Inventor Axel Mattern

Axel Mattern 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).

  • Reentrant libraries
    Patent number: 5832265
    Abstract: A protective mutex switch is used in data processing installations for control of execution paths within processes. Library subroutines are protected by shell subroutines with the original name and thereby, establish the synchronization of processes using the libraries.
    Type: Grant
    Filed: June 27, 1995
    Date of Patent: November 3, 1998
    Assignee: Siemens Nixdorf Informationssysteme Aktiengesellschaft
    Inventor: Axel Mattern