WR

Walter W. Robertson

📍 Cranesville, PA: #1 of 1 inventorsTop 100%
🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%
Overall (1982): #25,018 of 81,411Top 35%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4354664 Fail-safe valve Dan G. Taylor 1982-10-19