Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D643872 | Font having interchangeable indicia | Mindy Boyle | 2011-08-23 |
| D643873 | Font having interchangeable indicia | Mindy Boyle | 2011-08-23 |
| 4297677 | Personal ambient sound referenced annunciator | John Lewis, Edmond P. DiGiannantonio | 1981-10-27 |