BH

Barton M. Hetrick

IBM: 1 patents #44,794 of 70,183Top 65%
📍 Wayne, PA: #311 of 493 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,943,441 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

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