Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9110731 | Hard allocation of resources partitioning | Stephen J. Sicola, William Pagano, Clark Edward Lubbers, Michael J. Hare | 2015-08-18 |
| 6418097 | Analog to digital converter assembly for normalizing servo error signals and multiplexing reference voltage inputs and digital outputs and improved optical drive system including same | David L. Schell, Kurt W. Getreuer, Leonardus I. Grassens, David E. Lewis, Marvin B. Davis | 2002-07-09 |
| 6266306 | Analog to digital converter and assembly for use in optical drive system to normalize servo error signals and multiplex reference voltage inputs and digital outputs | David L. Schell, Kurt W. Getreuer, Leonardus J. Grassens, David E. Lewis, Marvin B. Davis | 2001-07-24 |
| 6243336 | Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal and focus capture method for use in same | David L. Schell, Marvin B. Davis, Kurt W. Getreuer, Leonardus J. Grassens, David E. Lewis | 2001-06-05 |
| 6122232 | Isolation apparatus for use in disc drive system to mitigate effects of undesired mechanical forces and disc drive system including same | David L. Schell, Marvin B. Davis, Kurt W. Getreuer, Leonardus J. Grassens, David E. Lewis | 2000-09-19 |
| 6058081 | Optical drive system having servomotor operated relative to maximum quad sum signal | David L. Schell, Kurt W. Getreuer, Leonardus J. Grassens, David E. Lewis, Marvin B. Davis | 2000-05-02 |
| 5729511 | Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal | David L. Schell, Marvin B. Davis, Kurt W. Getreuer, Leonardus J. Grassens, David E. Lewis | 1998-03-17 |