Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12122930 | Color-change and erasable writing compositions, writing instruments, and systems | Abigail E. Meyer, Margaret Katherine Brogan | 2024-10-22 |
| 11866603 | Color-change and erasable writing compositions, writing instruments, and systems | Abigail E. Meyer, Margaret Katherine Brogan | 2024-01-09 |