Inventor

TARSIA GIUSEPPE

US4 patents

Patents

4 patents

US4432636AFeb 21, 1984

Illumination apparatus

BERKEY PHOTO INC7 citations68

US4433907AFeb 28, 1984

Lens alignment structure

BERKEY PHOTO INC6 citations57

US4433910AFeb 28, 1984

Transparency holder

BERKEY PHOTO INC5 citations57

US4432638AFeb 21, 1984

Alignment structure

BERKEY PHOTO INC4 citations57