Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7544316 | Process for making graphite articles | Richard L. Shao, Irwin C. Lewis, Richard T. Lewis, Dai Huang | 2009-06-09 |
| 6916435 | Process of making graphite articles | Richard L. Shao, Dai Huang, Irwin C. Lewis, Richard T. Lewis | 2005-07-12 |
| 6440563 | Pin for connecting carbon electrodes and process therefor | Richard L. Shao, Irwin C. Lewis, Richard T. Lewis | 2002-08-27 |
| 6280663 | Process of making pins for connecting carbon electrodes | Richard L. Shao, Irwin C. Lewis, Richard T. Lewis | 2001-08-28 |
| 4534951 | Manufacture of high quality graphite electrodes using calcined anthracite coal as raw material | Eugene Micinski | 1985-08-13 |