Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4467198 | Radiation shielding arrangement for coating thickness measurement device | Boris B. Joffe, Jerry J. Spongr | 1984-08-21 |
| 4434366 | Apparatus for measuring coating thickness | Jerry J. Spongr, John E. Tiebor | 1984-02-28 |