RS

Richard M. Spurgeon

📍 Southfield, MI: #349 of 906 inventorsTop 40%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #1,905,699 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10632365 Modified chess game with additional game pieces — 2020-04-28
9643079 Modified chess game with additional game pieces — 2017-05-09