AR

Arthur L. Van Ryn

AS American Seating: 1 patents #37 of 53Top 70%
📍 Grand Rapids, MI: #1,022 of 1,824 inventorsTop 60%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #4,106,773 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4189876 Beam-mounted folding chairs Philip E. Crossman 1980-02-26