JM

John R. Mansell

U.S. Philips: 5 patents #914 of 8,851Top 15%
📍 East Grinstead, GB: #10 of 64 inventorsTop 20%
Overall (All Time): #1,061,665 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4893053 Color display tube with channel electron multiplier means Alan G. Knapp 1990-01-09
4721880 Color cathode ray tube including a channel plate electron multiplier Derek Washington, Willem M. Van Alphen 1988-01-26
4626736 Cathode ray tube and an electron multiplying structure therefor 1986-12-02
4560898 Color picture display tube Alan G. Knapp 1985-12-24
4276127 Channel plate electron multipliers Henry D. Stone, Alan G. Knapp, Colin D. Overall, Derek Washington 1981-06-30