MH

Marvin Herche

HP Helwig Carbon Products: 2 patents #1 of 7Top 15%
📍 Waukesha, WI: #513 of 1,162 inventorsTop 45%
🗺 Wisconsin: #17,084 of 40,088 inventorsTop 45%
Overall (All Time): #1,988,944 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9853407 Brush assembly Jeffrey D. Koenitzer 2017-12-26
D795192 Brush assembly Jeffrey D. Koenitzer 2017-08-22