ND

Norbert Dumler

GG Georg Karl Geka-Brush Gmbh: 2 patents #1 of 2Top 50%
📍 Ansbach, DE: #1 of 3 inventorsTop 35%
Overall (1997): #28,685 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5699578 Cleaning device Bernd Fellner 1997-12-23
5638568 Small brush, in particular interdental brush Bernd Fellner 1997-06-17