RK

Raymond P. Knight

EC English Electric Valve Co.: 2 patents #20 of 66Top 35%
📍 Braintree, MA: #81 of 219 inventorsTop 40%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,347,248 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4620135 Electric circuit interrupting devices Timothy P. Donaldson, John R. Shepheard 1986-10-28
4577138 Thyratrons Hugh Menown 1986-03-18