Patents by Inventor Rance J. DeLong

Rance J. DeLong 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).

  • Structured exception-handling methods, apparatus, and computer program products
    Patent number: 6247169
    Abstract: A structured software exception-handling mechanism and method provides an improved paradigm for managing program flow control after error detection without requiring compiler modifications. Selected code is wrapped in one or more exception handling constructs which can be nested. Exceptions are raised and handled in accordance with specified handlers or by a default handler outside the scope of specified exception code wrappers.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: June 12, 2001
    Assignee: Sun Microsystems, Inc.
    Inventor: Rance J. DeLong
  • Test support tool system and method
    Patent number: 5892947
    Abstract: A test support tool system and method produce software test programs from a logical description of selected software. Test programs are created by producing a cause-effect graph from the logical description, creating a decision table, producing test cases, and synthesizing test cases into a test program. The test support tool system includes an interface for receiving a logical description of software, a logical database, an analysis and test case generation module, a control module, and a test program synthesis module.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: April 6, 1999
    Assignee: Sun Microsystems, Inc.
    Inventors: Rance J. DeLong, Jaya R. Carl