Inventor · disambiguated record

William H. Henrich

Also filed as: HENRICH WILLIAM H

3 granted patents·246 citations·filing 1981–1987

78Inventor score

Technology areasH05B

Files withTHOMAS INDUSTRIES INC3

Top patents by PatentIndex Score

3 records

0194US4414493ALight dimmer for solid state ballastTHOMAS INDUSTRIES INC·Filed 1981·Granted Nov 8, 1983·142 cites·12 claims
0285US4873471AHigh frequency ballast for gaseous discharge lampsTHOMAS INDUSTRIES INC·Filed 1987·Granted Oct 10, 1989·54 cites·56 claims
0383US4791338AFluorescent lamp circuit with regulation responsive to voltage, current, and phase of loadTHOMAS INDUSTRIES INC·Filed 1986·Granted Dec 13, 1988·50 cites·12 claims

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