Richard H. Griffin

IT International Telephone And Telegraph: 1 patents #182 of 507Top 40%

📍 Barrington, RI: #136 of 323 inventorsTop 45%

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

Overall (All Time): #1,777,877 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D1040648	Clamp	—	2024-09-03
4386813	Current tap ground contact	—	1983-06-07