RP

Robert M. Del Principe

MA Mattel: 5 patents #166 of 1,179Top 15%
📍 Hawthorne, CA: #57 of 315 inventorsTop 20%
🗺 California: #106,790 of 386,348 inventorsTop 30%
Overall (All Time): #1,066,377 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4422639 Electronic football game Peter A. Oliphant 1983-12-27
4403777 Electronic game using phototransducer David A. Hostetler, John Y. Ling 1983-09-13
4372557 Electronic baseball game David Reichert 1983-02-08
D266935 Housing for electronic game Edward F. Mayer 1982-11-16
4314336 Electronic card game simulator William L. Bernstein 1982-02-02