Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339951 | Tempeature measurement and display of indicia using thermochromic polyacetylenes | Kwok C. Yee, Anthony F. Preziosi, Ronald R. Chance, Granville G. Miller, Ray H. Baughman | 1982-07-20 |
| 4339240 | Color changing polyacetylenic compounds | — | 1982-07-13 |
| 4328259 | Process of printing by impact and for marking areas where impact or pressure is applied | Ray H. Baughman | 1982-05-04 |