RD

Roland D. Borgersen, deceased

KT King Tester: 2 patents #1 of 3Top 35%
📍 Via Enrico Fermi, PA: #1 of 12 inventorsTop 9%
🗺 Pennsylvania: #204 of 2,652 inventorsTop 8%
Overall (1982): #8,636 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4361034 Portable hardness tester James G. Mullen, James W. Lineberger 1982-11-30
4312220 Portable hardness tester James G. Mullen 1982-01-26