SR

Samuel English Ritchie

📍 Alexandria, VA: #18 of 107 inventorsTop 20%
🗺 Virginia: #400 of 1,885 inventorsTop 25%
Overall (2004): #120,655 of 270,089Top 45%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6811402 Method of playing a mathematical game — 2004-11-02