Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739869 | Electronic libretto display apparatus and method | Patrick G. Markle, Geoffrey J. H. Webb | 1998-04-14 |
| 4453123 | System for providing a firing signal to an electrical power switch | — | 1984-06-05 |