BH

Barton M. Hetrick

IBM: 1 patents #253 of 1,444Top 20%
📍 Wayne, PA: #5 of 26 inventorsTop 20%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #137,226 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4886727 Method for developing negative photoresists Morris Anschel, Lawrence D. Goodrich 1989-12-12