Royal Clifford Jones, Jr.

📍 Narragansett, RI: #30 of 108 inventorsTop 30%

🗺 Rhode Island: #2,419 of 6,211 inventorsTop 40%

Overall (All Time): #1,896,895 of 4,157,543Top 50%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
10540827	Digital chess clock displaying calculated playing speed	—	2020-01-21
7887232	Minimum-speed game timer	—	2011-02-15