Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818906 | Electron beam position reference system | John G. Hartley, David J. Pinckney, Richard Rieland | 2004-11-16 |
| 6724001 | Electron beam lithography apparatus with self actuated vacuum bypass valve | David J. Pinckney | 2004-04-20 |