Patents by Inventor David E. Bohman, II

David E. Bohman, II 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).

  • Apparatus and method for secure device addressing
    Patent number: 5968136
    Abstract: A method for securely accessing a peripheral device at an absolute address is disclosed. A computer program is executed to request from an operating system a memory access object including a procedure executable to address the peripheral device at the absolute address. An operating system procedure is executed to provide the memory access object to the computer program if a value associated with the computer program indicates that the computer program is trusted to perform absolute addressing. If the operating system procedure provides the memory access object to the computer program, the computer program is executed invoke the memory access object procedure to address the peripheral device at the absolute address.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: October 19, 1999
    Assignee: Sun Microsystems, Inc.
    Inventors: Thomas Saulpaugh, David E. Bohman, II