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GEMTECH INC

US3 patents

Top patents by PatentIndex Score

US5378153AJan 3, 1995

High performance acoustical cleaning apparatus for teeth

GEMTECH INC276 citations98

US5309590AMay 10, 1994

Dentifrice/medication dispensing toothbrush

GEMTECH INC147 citations98

US5189751AMar 2, 1993

Vibrating toothbrush using a magnetic driver

GEMTECH INC507 citations97