DB

David W. Bossa

HA Hasbro: 1 patents #190 of 447Top 45%
📍 Braintree, MA: #128 of 219 inventorsTop 60%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,726,861 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

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