DS

David T. Shaffer

AM Amp: 2 patents #42 of 310Top 15%
📍 Harrisburg, PA: #12 of 71 inventorsTop 20%
🗺 Pennsylvania: #313 of 3,759 inventorsTop 9%
Overall (1989): #29,327 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4842525 Electrical connector assembly for antiskid braking system Michael D. Galloway, William H. Rose 1989-06-27
4805885 Sinuous spring David J. Gingerich, William H. Rose, David W. Rupnik 1989-02-21