DC

Donald Castle

GP Gte Products: 1 patents #520 of 928Top 60%
KO Kohler: 1 patents #682 of 998Top 70%
📍 Attleboro, MA: #293 of 647 inventorsTop 50%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #1,804,040 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11624333 Exhaust safety system for an engine Martin L. Radue, Marshall Hau, David Hasler, Michael E. Smies 2023-04-11
4258285 Two-component phosphor in a cool white lamp Charles F. Chenot 1981-03-24