EW

Erich H. Woltermann

📍 Minden, DE: #50 of 166 inventorsTop 35%
Overall (All Time): #2,332,670 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4859337 Filter for making portions of coffee or tea — 1989-08-22
4662271 Machine for preparing hot beverages, with a metered withdrawal of liquid — 1987-05-05