DR

Douglas C. Ruch

DO Donnelly: 1 patents #202 of 274Top 75%
📍 Zeeland, MI: #201 of 350 inventorsTop 60%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,729,582 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5688022 Modular panel assembly Edward R. Adams 1997-11-18