Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636565 | Embossing method and device for braille currency encoding | Michael Lawrance, Dennis H. Dreier | 1997-06-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636565 | Embossing method and device for braille currency encoding | Michael Lawrance, Dennis H. Dreier | 1997-06-10 |