Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6325159 | Offshore drilling system | Charles P. Peterman, Riley G. Goldsmith, Keith C. Mott, Kenneth L. Pelata, Kenneth W. Colvin | 2001-12-04 |
| D302087 | Container holder for attachment to a chair arm | Mark Speros | 1989-07-11 |
| D297793 | Container holder for attachment to a chair arm | Mark Speros | 1988-09-27 |
| 4548326 | Stadium seat arm gripping tray | Mark Speros | 1985-10-22 |