Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9330584 | Method and system for developing an electroluminescent sign | William J. Pietro | 2016-05-03 |
| 8810555 | Method and apparatus for driving an electroluminescent display | William J. Pietro | 2014-08-19 |