Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6094487 | Apparatus and method for encryption key generation | Marcus Wong | 2000-07-25 |
| 5772317 | Counterflow drum mixer for making asphaltic concrete and methods of operation | — | 1998-06-30 |
| 5515620 | Method and apparatus of rotatable drum dryer with flights releasably secured in different orientations | — | 1996-05-14 |
| 4477250 | Asphalt recycle plant and method | David F. Brashears, Emanuel J. Elliott | 1984-10-16 |
| 4189300 | Rotating drum dryer apparatus | — | 1980-02-19 |