Inventor · disambiguated record

C. Douglas O'Brien

Also filed as: O'BRIEN C DOUGLAS

2 granted patents·437 citations·filing 1978–1981

73Inventor score

Technology areasG01B G09G

Files withCANADIAN PATENTS DEV1 UNITED KINGDOM GOVERNMENT1

Top patents by PatentIndex Score

2 records

0194US4247767ATouch sensitive computer input deviceUNITED KINGDOM GOVERNMENT·Filed 1978·Granted Jan 27, 1981·187 cites·13 claims
0293US4414621AInteractive visual communications systemCANADIAN PATENTS DEV·Filed 1981·Granted Nov 8, 1983·250 cites·8 claims

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