Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D264843 | Multiple module serial link encryption unit or similar article | Joseph W. Karas, Robert F. Pfeifer | 1982-06-08 |
| D263395 | Multiple module serial link encryption unit or similar article | Joseph W. Karas, Robert F. Pfeifer | 1982-03-16 |