MR

Mary F. Ritchey

📍 York, PA: #359 of 933 inventorsTop 40%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,311,923 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5150477 Hospital gown Joyce E. Elberson 1992-09-29
5041050 Doll head and detachable wig Joyce E. Elberson 1991-08-20