Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D266931 | Compact viewer | Richard Penney, Richard M. Joffe | 1982-11-16 |
| D264344 | Hand held transparency projector | Martin Thaler, Martin D. H. Clarke | 1982-05-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D266931 | Compact viewer | Richard Penney, Richard M. Joffe | 1982-11-16 |
| D264344 | Hand held transparency projector | Martin Thaler, Martin D. H. Clarke | 1982-05-11 |