Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150477 | Hospital gown | Mary F. Ritchey | 1992-09-29 |
| 5041050 | Doll head and detachable wig | Mary F. Ritchey | 1991-08-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150477 | Hospital gown | Mary F. Ritchey | 1992-09-29 |
| 5041050 | Doll head and detachable wig | Mary F. Ritchey | 1991-08-20 |