WJ

William L. Van Alen, Jr.

📍 Newtown Square, PA: #4 of 20 inventorsTop 20%
🗺 Pennsylvania: #989 of 4,367 inventorsTop 25%
Overall (1997): #52,579 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5613915 Variable resistance golf training device — 1997-03-25