Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8234521 | Systems and methods for maintaining lock step operation | Simon Graham, Daniel J. Lussier, Timothy M. Wegner, Steven Haid, John W. Edwards | 2012-07-31 |
| 7669073 | Systems and methods for split mode operation of fault-tolerant computer systems | Simon Graham, Laurent Fournie | 2010-02-23 |
| 7496786 | Systems and methods for maintaining lock step operation | Simon Graham, Dan Lussier, Tim Wegner, Steven Haid, John W. Edwards | 2009-02-24 |
| 6948010 | Method and apparatus for efficiently moving portions of a memory block | Andrew Alden, John W. Edwards | 2005-09-20 |
| 6820213 | Fault-tolerant computer system with voter delay buffer | Wen-Yi Huang, Mark D. Tetreault, Timothy M. Wegner | 2004-11-16 |
| 6813721 | Methods and apparatus for generating high-frequency clocks deterministically from a low-frequency system reference clock | Mark D. Tetreault, Michael McLoughlin | 2004-11-02 |
| 6687851 | Method and system for upgrading fault-tolerant systems | Mark D. Tetreault, Timothy M. Wegner | 2004-02-03 |
| 6311286 | Symmetric multiprocessing system with unified environment and distributed system functions | James F. Bertone, Bruno DiPlacido, Thomas F. Joyce, Martin Massucci, Lance J. McNally +6 more | 2001-10-30 |
| 6125436 | Symmetric multiprocessing system with unified environment and distributed system functions wherein bus operations related storage spaces are mapped into a single system address space | James F. Bertone, Bruno DiPlacido, Thomas F. Joyce, Martin Massucci, Lance J. McNally +6 more | 2000-09-26 |
| 5956522 | Symmetric multiprocessing system with unified environment and distributed system functions | James F. Bertone, Bruno DiPlacido, Thomas F. Joyce, Martin Massucci, Lance T. McNally +6 more | 1999-09-21 |
| 5838899 | Digital data processing methods and apparatus for fault isolation | William I. Leavitt, Conrad R. Clemson, John M. Chaves, David R. Barbera, Shawn Adam Clayton | 1998-11-17 |
| 5809340 | Adaptively generating timing signals for access to various memory devices based on stored profiles | James F. Bertone, Bruno DiPlacido, Thomas F. Joyce, Martin Massucci, Lance J. McNally +10 more | 1998-09-15 |
| 5522069 | Symmetric multiprocessing system with unified environment and distributed system functions | James F. Bertone, Bruno DiPlacido, Thomas F. Joyce, Martin Massucci, Lance J. McNally +10 more | 1996-05-28 |
| 5517648 | Symmetric multiprocessing system with unified environment and distributed system functions | James F. Bertone, Bruno DiPlacido, Thomas F. Joyce, Martin Massucci, Lance J. McNally +6 more | 1996-05-14 |
| 5291580 | High performance burst read data transfer operation | Raymond D. Bowden, III, Richard A. Lemay, Chester M. Nibby, Jr. | 1994-03-01 |
| 5204964 | Method and apparatus for resetting a memory upon power recovery | Raymond D. Bowden, III, Michelle A. Pence, George J. Barlow, Marc Sanfacon | 1993-04-20 |
| 4964129 | Memory controller with error logging | Raymond D. Bowden, III, Edward R. Salas, Marc Sanfacon | 1990-10-16 |
| 4964130 | System for determining status of errors in a memory subsystem | Raymond D. Bowden, III, Edward R. Salas, Marc Sanfacon | 1990-10-16 |