DG

David J. Gruenwald

EH European Touch Holdings: 1 patents #1 of 7Top 15%
📍 Menasha, WI: #6 of 36 inventorsTop 20%
🗺 Wisconsin: #243 of 3,572 inventorsTop 7%
Overall (2011): #51,174 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8028354 Spa apparatus Edwin B. Hatch, David A. Schmitz, Jeremy M. Lenzendorf, John A. Groeschel 2011-10-04
7878136 Vessel propulsion 2011-02-01
7878874 Marine vessel propulsion drive module 2011-02-01