Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5002852 | Recording medium of improved stability | David F. Lewis, Mark L. Moskowitz | 1991-03-26 |
| 4970137 | Process for sensitizing polyacetylenic films | David F. Lewis | 1990-11-13 |
| 4784934 | Sensitivity of processless recording media | David F. Lewis, Mark L. Moskowitz | 1988-11-15 |
| 4734355 | Sensitivity of processless recording media | David F. Lewis, Mark L. Moskowitz | 1988-03-29 |