SS

Stephen E. Hall, Sr.

📍 Upper Marlboro, MD: #34 of 154 inventorsTop 25%
🗺 Maryland: #13,387 of 35,612 inventorsTop 40%
Overall (All Time): #2,137,095 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D596260 Golf instructional aid 2009-07-14
5394445 Telephone call screening and answering device Randel H. Ball 1995-02-28