Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6042986 | Portal localization radiographic element and method of imaging | Robert E. Dickerson, Stephen A. Hershey | 2000-03-28 |
| 5952147 | Portal verification radiographic element and method of imaging | Robert E. Dickerson, Stephen A. Hershey | 1999-09-14 |
| 5876909 | Infrared sensor detectable radiographic elements containing very thin tabular grain emulsions | Stephen A. Hershey, Robert E. Dickerson | 1999-03-02 |
| 5773206 | Infrared sensor detectable imaging elements | Stephen A. Hershey, Robert E. Dickerson | 1998-06-30 |