RS

Robert W. Spencer

PQ Pq: 1 patents #1 of 4Top 25%
📍 Wallingford, PA: #2 of 6 inventorsTop 35%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #60,990 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4804297 Method of underwater casting Richard H. Reifsnyder, Robert A. Brennan 1989-02-14