DR

David J. Richards

📍 Cedar, IA: #1 of 2 inventorsTop 50%
🗺 Iowa: #239 of 1,101 inventorsTop 25%
Overall (2003): #239,744 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6595520 Method of conducting a multiple hand card game Kimberly Gale Young, Spencer Peterson 2003-07-22