RD

Ralph G. Doerfling

📍 Northville, MI: #401 of 1,240 inventorsTop 35%
🗺 Michigan: #22,048 of 86,293 inventorsTop 30%
Overall (All Time): #1,297,708 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5095592 Fastener device for composite materials 1992-03-17
4385955 Method of forming contoured fiberglass sheet Donald Warner 1983-05-31
4379103 Method of forming a foam resin core structure having a smooth composite reinforced integral skin 1983-04-05
4372900 Method of forming reinforced foam structure 1983-02-08