Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6009540 | Logic module for implementing system changes on PC architecture computers | Donald Lee Dobbs | 1999-12-28 |
| 5555381 | Microcomputer architecture utilizing an asynchronous bus between microprocessor and industry standard synchronous bus | Thomas Ludwig | 1996-09-10 |
| 5438666 | Shared memory bus system for arbitrating access control among contending memory refresh circuits, peripheral controllers, and bus masters | Bradley T. Herrin, Thomas Ludwig | 1995-08-01 |
| 5191657 | Microcomputer architecture utilizing an asynchronous bus between microprocessor and industry standard synchronous bus | Thomas Ludwig | 1993-03-02 |
| 4987529 | Shared memory bus system for arbitrating access control among contending memory refresh circuits, peripheral controllers, and bus masters | Bradley T. Herrin, Thomas Ludwig | 1991-01-22 |