DH

David G. Holland

EC English Electric Valve Co.: 3 patents #12 of 66Top 20%
📍 Braintree, MA: #55 of 219 inventorsTop 30%
🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,667,212 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
RE33183 Image intensifiers and method of producing same Peter B. Banks 1990-03-20
4613786 Image intensifiers and method of producing same Peter B. Banks 1986-09-23
4246516 Light biassed camera tube arrangements Hans Scholz 1981-01-20