DG

David J. Gingerich

AM Amp: 1 patents #96 of 310Top 35%
📍 Swatara, PA: #1 of 1 inventorsTop 100%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #123,167 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4805885 Sinuous spring William H. Rose, David W. Rupnik, David T. Shaffer 1989-02-21