Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5247558 | X-ray particle size analyzer | Warren P. Hendrix, James P. Olivier, Clyde Orr, Jr. | 1993-09-21 |
| 4920550 | X-ray particle size analyzer | James P. Olivier, Mary Kane, Clyde Orr, Jr., Charles L. Laughinghouse, Samuel Tidwell | 1990-04-24 |
| 4853551 | Safety interlock for x-ray particle size analyzer | Samuel Tidwell | 1989-08-01 |