Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5136682 | Curable compositions and methods for use in forming optical waveguide structures | Patrick M. Martens, Stephen Powell | 1992-08-04 |
| 4746189 | Optical fiber adhesive joint tube | John P. Arrington, Nelson Shen, David R. Myers, David E. James | 1988-05-24 |
| 4743398 | Thermochromic composition | Andrew Brown | 1988-05-10 |
| 4534889 | PTC Compositions and devices comprising them | Peter H. van Konynenburg, Bernard J. Lyons, Robert Smith-Johannsen | 1985-08-13 |
| 4388607 | Conductive polymer compositions, and to devices comprising such compositions | Lester T. Toy, Bernard J. Lyons, David A. Horsma | 1983-06-14 |
| 4205994 | Expansive cement and agent therefor | Robert Smith-Johannsen | 1980-06-03 |