Inventor

ROSENBAUM RODGER H

US2 patents

⚠️ This page may combine multiple inventors who share the name “ROSENBAUM RODGER H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GEMTECH INC

1 patent

US5189751AMar 2, 1993

Vibrating toothbrush using a magnetic driver

GEMTECH INC507 citations97

GEMTECH

1 patent

US5263218ANov 23, 1993

Vibrating toothbrush using a magnetic driver

GEMTECH195 citations95