CD

Christopher A. Down

HA Hasbro: 1 patents #2 of 40Top 5%
📍 Beverly, MA: #7 of 27 inventorsTop 30%
🗺 Massachusetts: #1,083 of 4,501 inventorsTop 25%
Overall (1997): #168,735 of 185,788Top 95%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5676374 Toy staircase game apparats and method David W. Bossa, Edward J. Estabrook, Ralph J. Kulesza, Wayne A. Kuna 1997-10-14