Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8053657 | System and methodology for image and overlaid annotation display, management and communication | David H. Sitrick | 2011-11-08 |
| 7989689 | Electronic music stand performer subsystems and music communication methodologies | David H. Sitrick | 2011-08-02 |