RR

Rodger H. Rosenbaum

GE Gemtech: 2 patents #4 of 4Top 100%
Overall (All Time): #2,300,073 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5263218 Vibrating toothbrush using a magnetic driver David Giuliani, Roy W. Martin 1993-11-23
5189751 Vibrating toothbrush using a magnetic driver David Giuliani, Roy W. Martin 1993-03-02