Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855667 | Parallel plate dielectric analyzer | John R. Reader, Jr. | 1989-08-08 |
| 4816730 | Autosampler | Robert E. Wilhelm, Jr., John R. Reader, Jr., Kenneth W. Gormley, Sr., Richard J. Celeste | 1989-03-28 |